The prediction interval for the price per night of one Airbnb listing in NYC would be narrowest for which of the following number of reviews? 350 reviews 78 reviews 280 reviews 10 reviews
Answers
The prediction interval for the price per night of one Airbnb listing in NYC would be narrowest for the following number of reviews: 350 reviews.
The width of the prediction interval will reduce when the number of observations in a sample increases. To decrease the prediction interval, more samples or a larger sample size are required. When the sample size is smaller, the prediction interval becomes wider as the uncertainty in the estimate increases.A larger sample size would lead to a more precise prediction interval, thus providing more accurate outcomes. Therefore, the prediction interval for the price per night of one Airbnb listing in NYC would be narrowest for 350 reviews.The other options such as 78 reviews, 280 reviews, 10 reviews, have a smaller sample size than the sample size of 350 reviews. The smaller the sample size, the larger the prediction interval is, which increases the uncertainty in the estimate.
To know more about interval visit :-
https://brainly.com/question/14641200
#SPJ11
Related Questions
6d+5/1/3 Tell how many terms the expression has
Answers
Answer:
2 terms
Step-by-step explanation:
An algebraic expression may be composed of one or more terms. A term of an expression may be a constant, a variable, a product of more than two variables (xy), or a product of a variable and a constant.
Solve each inequality. Graph the solution on a number line.
x + 7 ≤ 11.
Answers
Answer:
x ≤ 4, look for the bold title for the numberline
Step-by-step explanation:
Subtract 7 to both sides
x + 7 ≤ 11
-7 -7
x ≤ 4
That is the answer.
Can you provide a number line?
If y = z1 + z2, where z1 is in a subspace W and z2 is in W complement, then z1 must be the orthogonal projection of y onto W.
Answers
To solve the given system of differential equations, we can use the substitution method to obtain first-order linear differential equations and solve them for x and y. Alternatively, we can apply the operator method to rewrite the system as a second-order linear differential equation.
To solve the given system of differential equations using three different methods - substitution method, operator method, and eigen-analysis method - we start by representing the system in matrix form: Let X = [x y]' and X' = [x' y']'. The given system can be written as: X' = A * X + B, where A is the coefficient matrix and B is the vector of constants.
Substitution Method:
In this method, we substitute the expressions for x' and y' from the given system into the equations and solve for x and y. By substituting the given expressions, we obtain two first-order linear differential equations. We can then solve these equations using standard methods such as separation of variables or integrating factors to find the solutions for x and y.
Operator Method:
The operator method involves defining operators D = d/dt and E = d/de, where t is the independent variable and e is the exponential function. We can rewrite the given system as a single second-order linear differential equation in terms of these operators. By manipulating the equations using operator algebra, we can find the characteristic equation and the solutions for x and y.
Eigen-analysis Method:
The eigen-analysis method involves finding the eigenvalues and eigenvectors of the coefficient matrix A. By calculating the eigenvalues, we can determine the type of critical points in the system. The eigenvectors corresponding to the eigenvalues provide the basis for the solutions. Using the eigenvalues and eigenvectors, we can construct the general solution for the system. Lastly, the eigen-analysis method helps us determine the critical points and construct the general solution using eigenvalues and eigenvectors.
Learn more about eigenvectors here: brainly.com/question/31043286
#SPJ11
How far would Maria have to travel to get to Valentina's house?
Answers
Answer:depends on the distance but we need info
Step-by-step explanation:
3 less than the product of a number g and 49?
Answers
Answer:
The equation for this is:
n(g) + 49 - 3
Step-by-step explanation:
The term "Product" means "multiplication." And "number" can be reduced to the term "n," like "g" is. The word "and" means "addition." And, "3 less" means - 3:
n(g) + 49 - 3
May I have Brainliest please? My next rank will be the highest one: A GENIUS! Please help me on this journey to become top of the ranks! I only need 10 more brainliest to become a genius! I would really appreciate it, and it would make my day! Thank you so much, and have a wonderful rest of your day!
Answer:
49g -3
Step-by-step explanation:
3 less than the product of a number g and 49
Writing an algebraic expression
less than means it comes after
the product of a number g and 49
49g
3 less than
49g -3
Which city has the biggest difference between the maximum and minimum temperatures Glassglow,Cardiff,Exeter
Answers
The city that has the biggest difference between the maximum and minimum temperatures is Glasgow.
Which city has the biggest difference?In order to determine which city has the biggest difference, subtract the difference between the minimum temperature from the maximum temperature.
Range = maximum temperature - minimum temperature
Range of Glasgow = 2 - (-8)
2 + 8 = 10
Range of Cardiff = 6 - (-1)
6 + 1 = 7
Range of Exeter = 8 - 0 = 8
Please find attached the table used in answering this question. To learn more about range, please check: https://brainly.com/question/12372689
#SPJ1
help pls with math lotsss of points!!!
Answers
Answer:
5x^2+22x-12 x cannot be -5, -4, -2
(x+5)(x+4)(x+2)
Step-by-step explanation:
In order to solve this, your denominator must be the same. Let's start by writing out the two different quadratic formulas:
x^2 + 6x + 8 <-- This should factor out to (x+4)(x+2)
x^2 + 7x + 10 <-- This should factor out to (x+5)(x+2)
Now that you have factored out the two quadratics, plug them into the equation.
5x - 3
(x+4)(x+2) (x+5)(x+2)
Now as we know, -2 cannot be x because it will turn the entire equation undefined. Multiple top and bottom with (x+5) on the right side and (x+4) on the left side.
5x (x+5) - 3(x+4)
(x+5)(x+4)(x+2) (x+5)(x+4)(x+2)
Focus on the top. 5x(x+5) will turn out to be 5x^2+25x. 3(x+4) will turn out to be 3x+12. Combine the two equations because now they are equal to each other and do the subtraction:
5x^2+25x - (3x+12) = 5x^2+22x-12 x cannot be -5, -4, -2
(x+5)(x+4)(x+2) (x+5)(x+4)(x+2)
Jacob and his family make their first stop on their vacation.. The beach! Jacob and his little brother enter a sand castle competition. The rules of the competition are 1. You can use any object that you bring yourself Below are all of the items that jacob and his brother will use to build their castle. For each item, calculate the volume of sand that each will hold
Answers
The beach toy item is a square based pyramid with the following parameters
\(\begin{gathered} side\text{ length of base= 4 inches} \\ height\text{ of pyramid = 4 inches } \end{gathered}\)Explanation
The volume of the pyramid will indicate the volume of sand that the beach item can contain.
\(volume=\frac{1}{3}\times base\text{ area}\times height\)Therefore, we will have;
\(\begin{gathered} volume=\frac{1}{3}\times4\times4\times4 \\ =\frac{1}{3}\times64=21.3 \end{gathered}\)Answer: 21.3 cubic inches
Which ordered pair is the vertex of y = - |x + 4|
(0,-4)
(-4,0)
(0,4)
(4,0)
Answers
Answer:
(-4,0)
Step-by-step explanation:
See picture below :)
What is the value of f ?
Answers
Answer: 60 degrees
Step-by-step explanation: We know that a straight line is 180 degrees. W have been give 120 degrees for one side. 180-120=60
what is the difference of 4 and twice a number plus one
Answers
hope this helps :)
Graph a sine function whose amplitude is 4, period is , midline is y = -3, and y-intercept is (0, - 3). The graph is not a reflection of the parent function over the x-axis. The first point must be on the midline and the second point must be a maximum or minimum value on the graph closest to the first point
Answers
The equation of this sine curve is y = 4sin(2x) - 3.
What is a function of a graph?
A graph is a visual representation of a mathematical function. A function is a mathematical rule that assigns a unique output value (or dependent variable) to each input value (or independent variable) in its domain. In other words, a function defines a relationship between two variables, where for every value of the independent variable, there is exactly one corresponding value of the dependent variable.
The midline is y = -3 and the y-intercept is (0,-3). This is point A in the diagram below.
The period is pi units, which means that going from midline to peak (or valley) is 1/4 of this distance. So it's pi*(1/4) = pi/4 = 0.79 units approximately from x = 0 to x = 0.79; which is the x coordinate of point B. Point B is one of the infinitely many maximum points. Notice that the vertical distance from A to B is 4 units, which is the amplitude.
Hence, the equation of this sine curve is y = 4sin(2x) - 3.
To learn more about the function of a graph, visit:
https://brainly.com/question/24335034
#SPJ1
Find how much interest $10,000 earns in 4 years in a certificate of deposit paying 4.5% interest compounded quarterly. The interest earned in 4 years is $ (Do not round until the final answer. Then round to the nearest cent as needed.)
Answers
According to the Question, The interest earned in 4 years is $1,954.83.
What is compounded quarterly?
A quarterly compounded rate indicates that the principal amount is compounded four times over one year. According to the compounding process, if the compounding time is longer than a year, the investors would receive larger future values for their investment.
The principal is $10,000.
The annual interest rate is 4.5%, which is compounded quarterly.
Since there are four quarters in a year, the quarterly interest rate can be calculated by dividing the annual interest rate by four.
The formula for calculating the future value of a deposit with quarterly compounding is:
\(P = (1 + \frac{r}{n})^{nt}\)
Where P is the principal
The annual interest rate is the number of times the interest is compounded in a year (4 in this case)
t is the number of years
The interest earned equals the future value less the principle.
Therefore, the interest earned can be calculated as follows: I = FV - P
where I = the interest earned and FV is the future value.
Substituting the given values,
\(P = $10,000r = 4.5/4 = 1.125n = 4t = 4 years\)
The future value is:
\(FV = $10,000(1 + 1.125/100)^{4 *4} = $11,954.83\)
Therefore, the interest earned is:
\(I = $11,954.83 - $10,000= $1,954.83\)
Thus, the interest earned in 4 years is $1,954.83.
Learn more about Compounded Quarterly:
https://brainly.com/question/24924853
#SPJ11
Compared to lat year, the population of Boom Town ha increaed by 25%. The population i now 6,000. What wa the population lat year
Answers
The population of the Boom town increased by 25% compared to last year, present population is 6000 then last year population is equal to 4800.
As given in the question,
Given population of the present year is equal to 6000
Let us consider 'x' be the last year population.
Increased in population compared to last year = 25%
Required equation is given by :
x + (25/100)x = 6000
⇒ (125 / 100 )x = 6000
⇒ x = ( 6000 × 100 ) / 125
⇒ x = 4800
Therefore, the population of the last year as per given data of the present year is equal to 4800.
The above question is incomplete, the complete question is:
Compared to last year, the population of Boom Town has increased by 25%. The population is now 6,000. What was the population last year?
Learn more about population here
brainly.com/question/29095323
#SPJ4
ADVICE HELP So I want to put on a nose ring and I'm going on a flight 14 hours and my dad can't know I'm getting one (my mom knows) can I hide underneath my nose after they put it in , can I hide it fresh ??
Answers
For an A.P., a= 25, d = -3. Find the value of n if S=112
Answers
Answer:
n = 7.
Step-by-step explanation:
Sum S of an AP = (n/2)[2a + d(n - 1)]
112 = (n/2)[2*25 - 3(n -1)]
n/2 (53 - 3n) = 112
n(53 - 3n) = 224
-3n^2 + 53n - 224 = 0
3n^2 - 53n + 224 = 0
(3n - 32 )(n - 7 ) = 0
n = 7, 32/3
So n must be 7 as its a whole number.
Find the slope of the line whose equation is 17 + 3y = 7x.
-7/3
17/3
7/3
Answers
Step-by-step explanation:
slope of the line is 7/3
17+3y=7x-7x+3y=17slope = -x coffecient / y coffecient
-(-7)/37/3stay safe healthy and happy.Select all the correct answers.
The function represents the cost in dollars of playing a video game in terms of time spent playing in months.
y = 15x +45
What can you interpret from this function?
It costs $15 a month to play the video game.
There is an initial cost of $45 to play the video game.
There is an initial cost of $15 to play the video game.
It costs $45 a month to play the video game.
The y-variable represents the cost in dollars, and the x-variable represents the number of months.
The y-variable represents the number of months, and the x-variable represents the cost in dollars.
Answers
Answer:
It costs $15 a month to play the video game.
The initial cost is $45.
The y-variable represents the cost in dollars.
The x-variable represents the number of months.
Step-by-step explanation:
If you break the function down, you're going to have:
Total = Monthly Cost + Initial Cost
In this case, 15x is your monthly cost, as you can think of x as the number of months meaning:
15 for the first month (x = 1)30 for the second month (x = 2)45 for the third month (x = 3), and so onOur initial cost is always going to be a set amount, thus our constant, $45.
This leaves y as our total, which makes sense, as it's all alone on one side of the equation, where as all the costs are bunched together on the right side.
Hope this helps!
Please answer in an hour! You will get a thumbs up.
Question 1 (a)
Assume you purchase a new tractor on Jan 1, 2022 for a cost of $200,000. You estimate you will be able to use the tractor for 10 years, and it will have a salvage value of 10% of the original by the end of its useful life. Determine the book value at the end of the first year (December 31, 2022) using straight-line depreciation.
options:
$18,000
$180,000
$185,000
$182,000
Question 1 (b)
A balance sheet (using current and noncurrent assets and liabilities- no intermediate) shows that a farmer has current assets of $80,000 and owner equity of $100,000. Her current ratio is 2 and her debt/equity ratio is 1.0. Determine the farmer's noncurrent liabilities.
Question 1 (b) options:
$40,000
$60,000
$100,000
unable to determine
Answers
Question 1a
To calculate the book value at the end of the first year using straight-line depreciation, we need to determine the annual depreciation expense first. The straight-line method assumes that the asset depreciates by an equal amount each year over its useful life. Therefore, we can use the following formula to calculate the annual depreciation:
Annual Depreciation = (Cost - Salvage Value) / Useful Life
Substituting the given values, we get:
Annual Depreciation = ($200,000 - $20,000) / 10 years = $18,000 per year
This means that the tractor will depreciate by $18,000 each year for the next 10 years.
To determine the book value at the end of the first year, we need to subtract the depreciation expense for the year from the original cost of the tractor. Since one year has passed, the depreciation expense for the first year will be:
Depreciation Expense for Year 1 = $18,000
Therefore, the book value of the tractor at the end of the first year will be:
Book Value = Cost - Depreciation Expense for Year 1
= $200,000 - $18,000
= $182,000
So the book value of the tractor at the end of the first year, December 31, 2022, using straight-line depreciation is $182,000. so the answer is D
Question 1(b)
To determine the farmer's noncurrent liabilities, we need to use the information provided to calculate the total liabilities and then subtract the current liabilities from it. Here's the step-by-step solution:
Calculate the total current liabilities using the current ratio:
Current Ratio = Current Assets / Current Liabilities
2 = $80,000 / Current Liabilities
Current Liabilities = $80,000 / 2
Current Liabilities = $40,000
Calculate the total liabilities using the debt/equity ratio:
Debt/Equity Ratio = Total Liabilities / Owner Equity
1.0 = Total Liabilities / $100,000
Total Liabilities = $100,000 * 1.0
Total Liabilities = $100,000
Subtract the current liabilities from the total liabilities to get the noncurrent liabilities:
Noncurrent Liabilities = Total Liabilities - Current Liabilities
Noncurrent Liabilities = $100,000 - $40,000
Noncurrent Liabilities = $60,000
Therefore, the farmer's noncurrent liabilities are $60,000. so the answer is B.
Which are the coordinates of the blank?
Answers
Answer:
its C. (3,7)
Step-by-step explanation:
Find an equation for the line that passes through the points (-6,6)and (4,6).
Answers
To find the equation of the line, we will use the formula below;
\(y-y_1=\frac{y_2-y_1}{x_2-x_1}(x-x_1)\)x₁=-6 y₁=6 x₂=4 y₂=6
substitute the values into the formula
\(y\text{ - 6 =}\frac{6-6}{4+6}(x\text{ + 6)}\)\(y-6=\frac{0}{10}(x+6_{})\)
y - 6 = 0
y = 6
PLEASE HELP!!!!!!
Determine if the following statement is true or false and explain how you know: The sum of a rational number and another rational number is always rational
Answers
Answer:
Yes. In general, the set of rational numbers is closed under addition, subtraction, and multiplication; and the set of rational numbers without zero is closed under division.
Step-by-step explanation:
:)
Answer: True, because 8 + 0.5 = 8.5, which is a rational number since fractions and decimals are counted as rational numbers.
A store carries four brands of DVD players, J, G, P and S. From past records, the manager found that the relative frequency of brand choice among customers varied. Using the given probability values for each of the four brands, find the probability that a random customer will choose brand J or brand P.
Answers
Answer:
The answer is below
Step-by-step explanation:
A store carries four brands of DVD players, J, G, P and S. From past records, the manager found that the relative frequency of brand choice among customers varied. Using the given probability values for each of the four brands, find the probability that a random customer will choose brand J or brand P.
P(J)=0.22, P(G)=0.18, P(P)=0.35, P(S)=0.25
Answer: Probability is the ration of possible outcomes to the total number of possible outcomes. The probability of mutually exclusive events i.e. events that cannot occur at the same time is the sum of their individual probabilities. If two events A and B are mutually exclusive events, then:
P(A or B) = P(A) + P(B)
Given that P(J)=0.22, P(G)=0.18, P(P)=0.35, P(S)=0.25, the probability that a random customer will choose brand J or brand P is given by:
P(J or P) = P(J) + P(P) = 0.22 + 0.35 = 0.57
Help!!! ASAP!!!!!!!!!!!!! 50 POINTS GOING ONCE GOONG TWICE
Answers
Answer:
first option
Step-by-step explanation:
Since the triangles are congruent, then corresponding sides and angles are congruent, that is
EF = BC = 10
∠ D = ∠ A = 37°
How many pivot columns must A have if its columns span R5? Why? Select the correct choice below and, if necessary, fill in the answer box to complete your choice. A. The matrix must have pivot columns. If A had fewer pivot columns, then the equation Ax = 0 would have only the trivial solution. B. The matrix must have pivot columns. The statements "A has a pivot position in every row" and "the columns of A span R5" are logically equivalent. C. The matrix must have pivot columns. Otherwise, the equation Ax = 0 would have a free variable, in which case the columns of A would not span R5. D. The columns of a 5x7 matrix cannot span R5 because having more columns than rows makes the columns of the matrix dependent.
Answers
The matrix must have pivot columns. Otherwise, the equation Ax = 0 would have a free variable, in which case the columns of A would not span R5. Therefore, the correct answer is C.
A pivot column is a column of the matrix that has a non-zero entry in the pivot position and all entries below the pivot are zero. In row echelon form, every row below a pivot column has a zero in the corresponding position. The pivot columns correspond to the linearly independent columns of the original matrix and the number of pivot columns determines the rank of the matrix.
The rank of a matrix is defined as the number of linearly independent columns or rows in the matrix. If the columns of a matrix span Rn, then the rank of the matrix must be equal to n. This means that the matrix must have n linearly independent columns. To ensure that the columns of A span R5, A must have at least 5 pivot columns. If A had fewer pivot columns, then the equation Ax = 0 would have a non-trivial solution, meaning that the columns of A would not be linearly independent and would not span R5.
You can learn more about pivot column at
https://brainly.com/question/29786913
#SPJ4
(1 point) how many different ways can a race with 6 runners be completed? (assume there is no tie.) your answer is : 36
Answers
There are 720 different ways can a race with 6 runners be completed.
What is a combination?
The process of combining or the condition of combining. a combination of things; an amalgamation of concepts. a grouping of notes: A chord is a grouping of notes. a grouping of people or entities acting together to impede commerce.
Here, we have
The winner can be chosen from all 6 runners, the second person can be chosen from 5 people, the third - from 4, and so on.
So the total number of possible results can be calculated as:
n = 6×5×4×3×2×1= 6!
= 720
Hence, there are 720 different ways can a race with 6 runners be completed.
To learn more about the combination from the given link
https://brainly.com/question/11732255
#SPJ1
HELP URGENT ASAP WILL MARK AND 5 STARS DUE in 5 MINUETS HURRY
Answers
Answer:
1. x=8
the other ones i got was decimals and i dont think you want those for this assignment
Step-by-step explanation:
Assume that police estimate that 23% of drivers do not wear their seatbelts. They set up a safety roadblock, stopping cars to check for seatbelt use. They stop 20 cars during the first hour a. Find the mean, variance, and standard deviation of the number of drivers expected not to be wearing seatbelts. Use the fact that the mean of a geometric distribution is pi = 1/p and the variance is ohm^2 = p/q^2? b. How many cars do they expect to stop before finding a driver whose seatbelt is not buckled?
Answers
The mean of the number of drivers expected not to be wearing seatbelts is approximately 4.35, the variance is approximately 15.62, and the standard deviation is approximately 3.95 and they expect to stop approximately 4.35 cars before finding a driver whose seatbelt is not buckled.
a. To find the mean, variance, and standard deviation of the number of drivers expected not to be wearing seatbelts, we can model the situation using a geometric distribution.
Let's define a random variable X that represents the number of cars stopped until the first driver without a seatbelt is found. The probability of a driver not wearing a seatbelt is given as p = 0.23.
The mean (μ) of a geometric distribution is given by μ = 1/p.
μ = 1/0.23 ≈ 4.35
The variance (σ^2) of a geometric distribution is given by σ^2 = q/p^2, where q = 1 - p.
σ^2 = (0.77)/(0.23^2) ≈ 15.62
The standard deviation (σ) is the square root of the variance.
σ = √(15.62) ≈ 3.95
b. The expected number of cars they expect to stop before finding a driver whose seatbelt is not buckled is equal to the reciprocal of the probability of success (finding a driver without a seatbelt) in one trial. In this case, the probability of success is p = 0.23.
Expected number of cars = 1/p = 1/0.23 ≈ 4.35
To learn more about mean, variance and standard deviation go to:
https://brainly.com/question/30558769
#SPJ11
Rewrite the following equation in slope-intercept form:
17x-17y=-9
Answers
Answer:
y=x+9/17
Step-by-step explanation:
easy question that's all :) have a great day
Constant of proportionality characteristics what are some?
Answers
Answer: The constant of proportionality is the ratio between two directly proportional quantities.
Two quantities are directly proportional when they increase and decrease at the same rate.
Step-by-step explanation: