The largest possible value of f(8) is 25.
What is the largest possible value of f(8)?If f(5) = −10 and f′(x) ≤ 5 for all x ∈ (5, 8), then the largest possible value of f(8) is 25.
Given that f is continuous on [5, 8] and differentiable on (5, 8).Also given that
f(5) = −10 and f′(x) ≤ 5
for all x ∈ (5, 8).We need to determine the largest possible value of f(8).
We know that
f(5) = −10
Since f is continuous on [5, 8], we can apply the mean value theorem.
According to the mean value theorem, there exists a c such that:
\($\frac{f(8) - f(5)}{8 - 5} = f'(c)$\)
Therefore,
f(8) - (-10) = f'(c)(8 - 5)f(8)
= 3f'(c) - 10 Since f′(x) ≤ 5
for all x ∈ (5, 8)\(,$f'(c) \leqslant 5$\)
Thus, f(8) = 3f'(c) - 10f(8)
= 3 x 5 - 10 f(8) = 5
Therefore, the largest possible value of f(8) is 25.
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which of the following tables represents a linear relationship that is also proportional? x−303 y024 x−4−20 y−202 x−404 y10−1 x−101 y−5−3−1
The table that represents a linear relationship that is also proportional is x -3 0 4 y 0 2 8.
A linear relationship is one where the variable (y) changes at a constant rate with respect to the independent variable (x). In a proportional relationship, the ratio of y to x remains constant.
Looking at the given tables:
x -3 0 4 y 0 2 4 - In this table, the values of y are not proportional to the values of x. Therefore, it does not represent a proportional relationship.
x -4 -2 0 y -2 0 2 - In this table, the values of y are not proportional to the values of x. Therefore, it does not represent a proportional relationship.
x -4 0 4 y 10 -1 -2 - In this table, the values of y are not proportional to the values of x. Therefore, it does not represent a proportional relationship.
x -1 0 1 y -5 -3 -1 - In this table, the values of y are not proportional to the values of x. Therefore, it does not represent a proportional relationship.
x -3 0 4 y 0 2 8 - In this table, the values of y are proportional to the values of x. The ratio of y to x is always 2. Therefore, it represents a linear relationship that is also proportional.
Hence, the table x -3 0 4, y 0 2 8 represents a linear relationship that is also proportional.
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Help me using sort and solve (number 2)
The solution of the equation is q = 1 /2
How to find solution to an equation?The equation to solve is as follows:
\(\frac{2}{3} +\frac{1}{6} q = \frac{5}{6}q + \frac{1}{3}\)
The variable to find in the equation is variable q.
A variable is a letter that represents number in an equation.
\(\frac{2}{3} +\frac{1}{6} q = \frac{5}{6}q + \frac{1}{3}\)
subtract 5 / 6 q from both sides of the equation
\(\frac{2}{3} +\frac{1}{6} q - \frac{5}{6}q = \frac{1}{3}\)
subtract 2 / 3 from both sides of the
\(\frac{1}{6} q - \frac{5}{6}q = \frac{1}{3} - \frac{2}{3}\)
\(\frac{q-5q}{6} = \frac{1-2}{3}\)
\(\frac{-4q}{6} = \frac{-1}{3}\)
cross multiply
-12q = -6
divide both sides by -12
q = - 6 / -12
q = 1 / 2
Therefore, the solution of the equation is q = 1 /2
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THE EXPOSURE COEFFICIENT, b, IS DEFINED AS: Select one: a. Var(S)/Cov(P,S) b. Cov(P,S)/Nar(S) c. Cov(PS)Nar(P) d. Cov(P,S)/Cov(S)
"The correct option is D." The definition of the exposure coefficient is Cov(P,S)/Cov(S).
The exposure coefficient is a measure that quantifies the relationship between two variables, P and S. It is commonly used in statistics and finance to understand the sensitivity or responsiveness of one variable (S) to changes in another variable (P).
Cov(P,S) represents the covariance between the variables P and S, which measures the degree to which they vary together. Cov(S) represents the covariance of variable S with itself, which is essentially the variance of S.
By dividing the covariance between P and S (Cov(P,S)) by the covariance of S (Cov(S)), we obtain the exposure coefficient, b. This ratio provides insights into how changes in P are associated with changes in S, taking into account the variability of S itself.
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Use the given transformation to evaluate the integral. 5y2 dA, R where R is the region bounded by the curves xy
To evaluate the integral ∫∫R 5y^2 dA, where R is the region bounded by the curves xy, we can use the given transformation. Since R is bounded by the curves xy, it means that the region is bounded by the lines x=0, y=0, and xy=1.
To perform the transformation, we substitute x=uv and y=u/v into the integral. The Jacobian of this transformation is 1/v^2. The new limits of integration can be found by considering the original bounds of R.
For x=0, we have uv=0, which implies that u=0 or v=0. For y=0, we have u/v=0, which means that u=0.
For xy=1, we have uv=1, which implies that u/v=1.
Therefore, the transformed region, let's call it S, is bounded by u=0, v=0, and u/v=1.
Now, we can rewrite the integral as ∫∫S 5(u/v)^2 (1/v^2) dudv. Simplifying this expression, we get ∫∫S 5u^2/v^4 du dv.
Evaluating this double integral in region S will give us the desired result.
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Introduce slack variables as necessary and then write the initial Maximize \( z=x_{1}+8 x_{2} \) simplex tableau for the given linear programming problem. subject to \( \quad x_{1}+2 x_{2} \leq 13 \)
In linear programming, slack variables are introduced to change inequalities into equalities. This is done to make computations easier and to maintain equality conditions within a simplex tableau.
For instance, the equation x1 + 2x2 ≤ 13 can be transformed into x1 + 2x2 + s1 = 13, where s1 is a slack variable.
The original inequality can be retrieved by setting s1 = 0.
The initial Maximize z = x1 + 8x2 simplex tableau is given as follows: 1 8 0 0 0 x1 x2 s1 a a ≤ 13 1 2 1 1 0 13 0 0 b a ≤ 0 1 8 0 0 1 0 0 0 c
Here's how to read the initial tableau:
Columns a, b, and c represent the coefficients of the decision variables x1, x2, and z, respectively.
The row a represents the constraint x1 + 2x2 + s1 = 13.
It includes the slack variable s1, which is placed in the last column to keep the right-hand side of the equation.
The row b represents the nonnegativity constraint for the slack variable s1.
It ensures that s1 is greater than or equal to zero.
The row c represents the objective function z.
The zero in the last column is there to indicate that z is zero in the initial solution.
The bottom right corner of the tableau, which contains the value of the objective function, is currently zero.
The simplex method can be applied to this tableau to improve the objective function and obtain the optimal solution.
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ABC is a right triangle in which ∠B = 90°. D is a point on BC such that DC=AB. DE and BF are perpendicular to AC. If BF = 4cm, then CE+BF =________
Answer:
Step-by-step explanation
taco: góc FBC + góc FBA = 90° mà góc FBA + góc FAB = 90
⇒góc FAC = góc FBC mà góc FBC = góc EDC ⇒ góc FAC = góc EDF
xét Δ ABF và Δ DCE có
góc FAC = góc EDF
góc F = góc E = 90°
⇒ tam giác ABF đồng dạng với tam giác DCE
⇒ AB/DC = BF/EC ⇒ AB.EC = DC.BF mà AB = DC ⇒ EC=BF=4
Jeremiah is taking two of his friends out for pancakes. If he spends $17.55 on their meals and has $26 to spend in total, Jeremiah’s pancakes must cost no more than what amount?
Inequality Question
Answer:
$8.45
Step-by-step explanation:
if he has $26 to start and spends 17.55 on his friends, he has 8.45 leftover to spend on himself, but since he bought his friends pancakes for 17.55 their pancakes would have cost 8.775 each which suggests that Jeremiah likely cannot afford his own pancakes
A farmer sells 8.7 kilograms of pears and apples at the farmer's market. 3/4 of this weight is pears, and the rest is apples. How many kilograms of apples did she sell at the farmer's market?
Answer:
2.2 kg
Step-by-step explanation:
1000g = 1kg
8700g = 8.7kg
3/4 = 75%
8700 / 100 = 87
87 * 75 = 6525
8700 - 6525 = 2175
2.175kg or if rounded 2.2kg
simplify the expression -9-10
Answer:
-19
Step-by-step explanation:
When you subtract from a negative it becomes a bigger number in the negatives. Subtract from a negative is also kind of like adding the 2 numbers then making it negative.
Example:
-2 - 2 = -4
2+2=4 making it negative will give you the answer of -4
-9-10 is like 9+10 which equals 19. Making it negative will give you the answer of -19
Answer:
This question answer is -19
Answer all the questions. 1 The first three terms in a sequence of numbers, T1, T2, T3,... are given below: (a) T₁=1+3=4 T₂=4+5=9 T3=9+7=16 Find T4. Answer T4=
Answer:
16 + 9 = 25
Step-by-step explanation:
For each term in the sequence, we can see that the second number being added increases by 2 each time (3, 5, 7)
And that the first number of each term increases by the value of the second term
(1 increases by 3; 4 increases by 5)
we can follow out these two observations to find T4
the first term (9) will increase by the value of the second term (7)
{the sum of the previous term is the first number}
so the first number of T4 will be 16.
Because we left off on +7, we are now on +9
so, T4 is
16 + 9 {and then do the math accordingly}
16 + 9 = 25
So, T4 is
16 + 9 = 25
hope this helps!! have a lovely day!! :)
what’s the square root of 50, 147,96 and -8 square root 16
The value that a number produces when it is multiplied by itself is known as the square root of the number. The square root is denoted by the radical sign. For instance, 16 Equals 4. The root symbol or surds is another name for the radical symbol.
How do you calculate the square root?The result of multiplying a number by itself yields its square value, while the square root of a number can be found by looking for a number that, when squared, yields the original value. It follows that a a = b if "a" is the square root of "b."
The square root of 50 is 7.07106781187.
The square root of 147 is 12.124355653
The square root of 96 is 9.79795897113
The square root of -8 is 2.82842712475i
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If AD is the altitude to BC, what is the slope of AD?
A. 2/5
B. -5/2
C. 5/2
D. -2/5
Answer:
Option (C)
Step-by-step explanation:
If AD is the altitude to BC, both the segments AD and BC will be perpendicular to each other.
By the property of perpendicular lines,
\(m_1\times m_2=-1\)
where \(m_1\) is the slope of the line AD and \(m_2\) is the slope of BC.
\(m_2=\frac{y_2-y_1}{x_2-x_1}\)
\(=\frac{8+2}{3-7}\)
\(=-\frac{5}{2}\)
Now from the given property,
\(m_1\times (-\frac{2}{5})=-1\)
\(m_1=\frac{5}{2}\)
Therefore, slope of altitude BC = \(\frac{5}{2}\)
Option (C) will be the answer.
The number of pages Caitlin reads over time is shown in the table below.
Caitlin's Reading Log
Hours
2 4 5
Number of Pagos 90 180 225
Part A. What is Caitlin's rate of reading?
Part B. Victoria reads at the rate of 60 pages per hour. What is the difference in the number of pages Victoria and Caitlin will read in 6 hours?
Enter the correct numbers in the boxes.
A.
pages per hour
B.
pages
Multiple choice. Answer
The function g(x) = (x - 5)² has a translation of 5 units to the right.
What are some rules for the transformation of functions?Suppose we have a function f(x).
f(x) ± d = Vertical upshift/downshift by d units (x, y ±d).
f(x ± c) = Horizontal left/right shift by c units (x - + c, y).
(a)f(x) = Vertical stretch for a > 0, vertical shrink a < 0. (x, ay).
f(bx) = Horizonatal compression b > 0, horizontal stretch for b < 0. (bx , y).
f(-x) = Reflection over x-axis, (-x, y).
-f(x) = Reflection over y-axis, (x, -y).
The parent function is a quadratic f(x) = x².
Now, The transformed function g(x) = (x - 5)² is a horizontal transformation of 5 units to the right.
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Susan saw birds and mice eating seeds on the ground. She counted 14 heads. 40 legs in total. how many birds and mice are on the ground
Answer:
Birds = 8
Mice = 6
Step-by-step explanation:
Conditions
Let the birds = x
Let the mice = y
Equations
x + y = 14
2x + 4y = 40
Solution
Using the top equation solve for x
x = 14 - y
Use this result to substitue for x
2(14 - y) + 4y = 40
Remove the brackets
28 - 2y + 4y = 40
Combine
28 + 2y = 40
Subtract 28 from both sides
28 - 28 + 2y = 40 - 28
2y = 12
Divide by 2 on both sides
2y/2 = 12/2
y = 6
Solve for x
x + y = 14
x + 6 = 14
Subtract 6 from both sides
x + 6 - 6 = 14 - 6
x = 8
Answer:
7 mice and 7 birds
Step-by-step explanation:
14 heads would mean there are 14 animals in total, as each animal has one head.
Birds have two legs, and mice have four.
2+4=6
40/6=6.67 (recurring)
6.67*2=13.3 (recurring)
6.67*4=26.67 (recurring)
Animal legs can't be in decimal numbers, so we can round the numbers.
13.3 becomes 13, 26.67 becomes 27.
13+27=40
Now we can see that there are 13 bird legs and 27 mice legs.
Divide the bird legs by 2 to get 6.5
Divide the mice legs by 4 to get 6.75
Again, we can't have a decimal of an animal, so we can round.
6.5 becomes 7, and 6.75 also becomes 7.
Therefore, there is 7 of each type of animal.
How many solutions does 5x 2y =- 7?
There is no single answer to this question. It depends on what values are chosen for x and y , equation has an infinite
The equation 5x + 2y = -7 is an indeterminate equation with two unknowns, x and y. This means that the equation has an infinite number of solutions, depending on the values of x and y. For example, if x = 3 and y = -2, then the equation would be satisfied. If x = 2 and y = -3, then the equation would also be satisfied. Therefore, the number of solutions for this equation is infinite.There is no single answer to this question. It depends on what values are chosen for x and y.
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Solve for x. Round to the nearest tenth of a degree, if necessary.
Answer:
49.6°Step-by-step explanation:
tangent = opposite / adjacenttan x = 40/34x = arctan (40/34)x ≈ 49.6°Step-by-step explanation:
\( \rm{tangent \: = \: opposite \:/ adjacent} \\ \rm{tan \: x \: = \: 40 \:/ 34} \\ \rm \: x \: = arctan \: (40 \:/ 34) \\ \: \rm {x \: = \boxed{49. \: 60°}}\)
PLEASE HELP!! WILL GIVE BRAINLIEST!!!
Answer:
120
Step-by-step explanation:
GIVE ME THE BRAINLEST POINTS NOW
Answer:
x = 120
Step-by-step explanation:
All three angles are marked as equal. There are two ways to find x.
Method one
Find the supplement to x
Let the supplement to x be y
y + y + y = 180
3y = 180 Divide by 3
y = 180/3
y = 60
=================
A straight line has an angle of 180 degrees.
x + y = 180 Substitute y = 60 into the equation
x + 60 = 180 Subtract 60
x = 180 - 60
x = 120
Method 2
The two angles not connect to x are called remote interior angles. These two angles are equal to x.
x = 60 + 60
x = 120
Ruth prepared 10 kilograms of dough after working 2 hours. How many hours
did Ruth work if she prepared 40 kilograms of dough? Assume the relationship
is directly proportional.
Answer:
8 hours
Step-by-step explanation:
A mandatory competency test for high school sophomores has a normal distribution with a mean of 553 and a standard deviation of 90. The top 3% of students receive a $500 prize. What is the minimum (cutoff) score you would need to receive this award?
Answer:
The minimum (cut off) score you need to receive this award is;
\(722.2\)Explanation:
Given that the top 3% of the students receive a $500 prize.
\(P=1-0.03=0.97\)We will then find the z-score that corresponds to the given probability.
\(z=1.88\)Recall that;
\(z=\frac{X-\mu}{\sigma}\)Given;
\(\begin{gathered} \mu=553 \\ \sigma=90 \end{gathered}\)substituting the values;
\(\begin{gathered} 1.88=\frac{X-553}{90} \\ X-553=1.88\times90 \\ X=553+1.88\times90 \\ X=722.2 \end{gathered}\)Therefore, the minimum (cut off) score you need to receive this award is;
\(722.2\)
Line segment AB has vertices A(-3, 4) and B(1, -2). A dilation centered at the orgin is applied to AB. The image has vertices A(-1, 4/3) and B(1/3, -2/3). What is tjr scale factor of the dilation?
1. 1/6
2. 1/3
3. 3
4. 6
Answer:
option 2
Step-by-step explanation:
consider the coordinates A (- 3, 4 ) and A' (- 1, \(\frac{4}{3}\) )
since the dilatation is centred at the origin, then corresponding coordinates are multiples/ divisors of each other, then image to original gives scale factor.
scale factor = \(\frac{A'}{A}\) = \(\frac{-1}{-3}\) = \(\frac{1}{3}\) and \(\frac{\frac{4}{3} }{4}\) = \(\frac{1}{3}\)
similarly B (1, - 2 ) and B' (\(\frac{1}{3}\), - \(\frac{2}{3}\) )
\(\frac{\frac{1}{3} }{1}\) = \(\frac{1}{3}\) and \(\frac{-\frac{2}{3} }{-2}\) = \(\frac{1}{3}\)
In ΔXYZ, ∠Y=90° and ∠X=73°. ∠ZWY=80° and XW=80. Find the length of ZY to the nearest 100th
Answer:
618.2203≈618.22
Step-by-step explanation:
618.2203≈618.22
A function whose values repeat based on positions of a point that moves around a circle is called a sinusoid.: T/F
True. A function whose values repeat based on positions of a point that moves around a circle is called a sinusoid, using trigonometry approach.
The sine waves oscillate in a smooth, repetitive manner, defined in terms of distance from the \(x\) axis to the point on the unit circle.
The main features of a sinusoidal function are its amplitude, its phase, and its frequency. Let us discuss the features one by one :
Amplitude specifies the maximum distance between the x axis i.e. the horizontal axis and the vertical position of the point or a the waveform. It is denoted by \(A\).
Phase of a function refers to the horizontal position of the waveform with correspondence to one rotation. The extent or angle by which, a point or a waveform is shifted, is called the phase difference or phase shift.
Frequency is the measurement which tells us about how quickly the sinusoid completes cycles i.e. it simplifies the movement of the sinusoidal wave per unit time.
The sinusoid functions play key role in modern periodic phenomena such as sound and light waves, oscillators, average temperature variations throughout the year, sunlight intensity ,etc.
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what is the reference angle for the given angle measure drawn in standard position? drag an angle measure into each box to match the angle measure and the reference angle.
The reference angle of 17π/3 is π/3.
The reference angle of -7π/12 is 5π/12.
The reference angle of -31π/6 is π/6.
What is a reference angle?The acute angle formed by the terminal arm or side and the x-axis is known as the reference angle. There is always a positive reference angle. The reference angle is, in other words, the angle formed by the terminal side and the x-axis. It must always be positive and less than 90 degrees.
Given that first angle is 17π/3
= 15π/3 + 2π/3
= 5π + 2π/3
The reference angle of 17π/3 is
π - 2π/3
= (3π - 2π)/3
= π/3
The second angle is -7π/12
The reference angle of -7π/12 is
= π - 7π/12
= (12π - 7π)/12
= 5π/12
The third angle is -31π/6
= -30π/6 - π/6
= -5π -π/3
The reference angle of -31π/6 is
= π/6
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This question is incomplete, the complete question is in attached image.
12. You want to buy a $175,000 home, and you have $60,000 saved up. The bank offers a 15-year mortgage at 3.2% interest.(a) If you expect to pay $5,775 in closing costs, what percentage down payment can you afford? Round your answer to the nearest tenth of a percent. %(b) If you put less than 20% down, you'll need to pay mortgage insurance. Will you require mortgage insurance?YesNo(c) What will the principal be on the loan?$ (d) What will your monthly P&I (principal and interest) payment be?$ (e) In addition to principal and interest, the property taxes will be 1.5% of the home value per year, the homeowners insurance will be $850 per year, and the mortgage insurance (if needed, according to part (b)) will be $40 per month. What will your total monthly payment amount be?$ (f) How much will you pay in total over 15 years in principal and interest?$ (g) How much interest will you pay in total?$
SOLUTION:
Step 1:
In this question,we have the following:
Step 2:
Part A: You want to buy a $ 175,000 and you have a $ 60,000 saved up.
The bank offers a 15-year mortgage at 3.2 % interest.
a) If you expect to pay $ 5,775 in closing costs. What percentage down payment can you afford? Round your answer to the nearest tenth of a percent.
If you saved up $60, 000 and the closing costs is $ 5,775
The difference will be:
\(60,000dollars\text{ - 5,775 dollars =54, 225 dollars}\)\(\begin{gathered} \text{Percentage of down payment = }\frac{54225}{175,000}X\text{ 100} \\ =\text{ }\frac{5,422,500}{175,000} \\ =\text{ 30.98571429} \\ \approx\text{ 31 \% ( to the nearest tenth)} \end{gathered}\)Part B :
If you put less than 20% down, you'll need to pay mortgage insurance.
Will you require mortgage insurance? YES or NO
The answer is NO because 31% is far more than 20%
Part C:
What will be the principal be on the loan?
The principal on the loan =
\(175,000\text{ dollars - 54,225 dollars = 120, 775 dollars}\)Part D:
What will be your monthly P & I (principal and interest) payment be?
\(It\text{ will be 845 dollars}\)Part E:
In addition to principal and interest, the property taxes will be 1.5 % of the home value per year, the house owners insurance will be $850 per year and the mortgage insurance. What will your total monthly amount be?
\(\frac{\frac{1.5}{100}(175000)+850}{12}\text{ + 845}\)\(\begin{gathered} =\text{ 289. 6+845} \\ =1134.6\text{ dollars} \end{gathered}\)Part F:
How much will you pay in total over 15 years in principal and interest?
\(\begin{gathered} \text{Monthly payment x Number of months} \\ =\text{ 845 x 15 x 12 } \\ =\text{ 152,100 dollars} \end{gathered}\)Part G:
How much interest will you pay in total?
\(\begin{gathered} \text{Amount - Principal} \\ =\text{ 152,100 - 120,775} \\ =\text{ 31,325 dollars} \end{gathered}\)
How many different combinations of three-person dance committees can be selected from a class of 30 students
Therefore, there are 4,060 different combinations of three-person dance committees that can be selected from a class of 30 students.
To calculate the number of different combinations of three-person dance committees that can be selected from a class of 30 students, we can use the concept of combinations. The number of combinations of selecting r items from a set of n items is given by the formula:
C(n, r) = n! / (r! * (n - r)!)
In this case, we want to select three students from a class of 30, so we have:
C(30, 3) = 30! / (3! * (30 - 3)!)
Calculating this expression:
C(30, 3) = 30! / (3! * 27!)
= (30 * 29 * 28) / (3 * 2 * 1)
= 4060
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Please Help
Evaluate the function for the given value of x.
y = 3^x; x = 2
Options:
1. 6
2. 9
3. 5
4. 1
Answer:
9
Step-by-step explanation:
3² = 3 x 3 = 9
Solve: 6x + 9 - x = 3x + 9 + x
A) One solution
B) Infinite solution
C) No solution
Answer:
A one solution
Step-by-step explanation:
Jasmine is filling a small fish tank with water. The fish tank is in the shape of a right circular cylinder with a radius of 3 in and a height of 10 in. What is the volume of this fish tank
The volume of the cylindrical fish tank is given by the equation
V = 282.74 inches³
What is a Cylinder?A cylinder is a three-dimensional shape consisting of two parallel circular bases, joined by a curved surface. The center of the circular bases overlaps each other to form a right cylinder. The volume of a cylinder is
Volume of Cylinder = πr²h
where r is the radius of the cylinder
h is the height of the cylinder
Given data ,
Let the volume of the cylinder be represented as V
Now , the radius of the cylindrical fish tank r = 3 inches
The height of the cylindrical fish tank h = 10 inches
The volume of fish tank = πr²h
Substituting the values in the equation , we get
Volume of Cylindrical fish tank V = π x ( 3 )² x 10
On simplifying the equation , we get
Volume of Cylindrical fish tank V = 90π inches ³
Volume of Cylindrical fish tank V = 282.74 inches³
Therefore , the value of V is 282.74 inches³
Hence , the volume of cylindrical fish tank is 282.74 inches³
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assuming the population standated deviation is known, which of the following statements is true about the standard deviation of the sample mean x
Assuming the population standard deviation is known and the standard deviation of the sample mean x : option (b) is correct : the standard error of the sample mean decreases.
Central Limit theory:In probability theory, the central limit theorem (CLT) states that the distribution of a sample variable approximates a normal distribution (i.e., a “bell curve”) as the sample size becomes larger, assuming that all samples are identical in size, and regardless of the population's actual distribution shape.
Standard deviation:Standard deviation is a calculation of the dispersion or variation in a set of numbers. If the standard deviation is a small number, it means the data points are close to their average value. If the deviation is large, it means the numbers are spread out, further from the mean or average.
There are different ways to write out the steps of the population standard deviation calculation into an equation. A common equation is:
σ = ([Σ(x - u)2]/N)1/2
Where:
σ is the population standard deviation
Σ represents the sum or total from 1 to N
x is an individual value
u is the average of the population
N is the total number of the population
Sample Mean:A sample mean is an average of a set of data . The sample mean can be used to calculate the central tendency, standard deviation and the variance of a data set. The sample mean can be applied to a variety of uses, including calculating population averages.
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