Answer:
1,363 or more
Step-by-step explanation:
your goal is 10,000 step you are at 8,637 minus them to see how many more until 10,000 steps
10,000 - 8,637 = 1,363
A zoologist selected 12 black bears in a Canadian habitat at random to examine the relationship between the age in years, x, and the weight in tens of pounds, y. The 95 percent confidence interval for estimating the population slope of the linear regression line predicting weight in tens of pounds based on the age in years is given by 1.272 + 0.570. Assume that the conditions for inference for the slope of the regression equation are met. Which of the following is the correct interpretation of the interval?
A. We are 95 percent confident that the mean increase in the weight of a black bear for each one-year increase in the age of the bear is between 7.0 and 18.4 pounds.
B. We are 95 percent confident that an increase of one year in the age of an individual black bear will result in an increase in the black bear's weight of between 7.0 and 18.4 pounds.
C. We are 95 percent confident that for every one-year increase in the age of black bears in the sample, the average increase in the weights of those black bears is between 7.0 and 18.4 pounds.
D. We are 95 percent confident that the mean increase in the age of a black bear for each one-pound increase in the weight of the black bear is between 7.0 and 18.4 years.
E. We are 95 percent confident that any sample of 12 black bears will produce a slope of the regression line between 7.0 and 18.4.
Answer:
A
We are 95 percent confident that the mean increase in the weight of a black bear for each one-year increase in the age of the bear is between 7.0 and 18.4 pounds.
Step-by-step explanation:
The 95 confidence interval given by 1.272±0.570, or (0.702,1.842), estimates the relationship between weight in tens of pounds and age in years. So we are 95 percent confident that the mean increase in the weight of a black bear will be between 7.0 and 18.4 pounds for each one-year increase in the age of the bear.
The correct interpretation of the provided confidence interval is given by:
Option B: We are 95 percent confident that an increase of one year in the age of an individual black bear will result in an increase in the black bear's weight of between 7.0 and 18.4 pounds.
How to interpret confidence interval?Suppose the confidence interval at P% for some parameter's values is given by \(x \pm y\)
That means, that parameter's estimated value is P% probable to lie in the interval \([x - y, x + y]\)
For this case, the regression line predicts weight in tens of pounds based on the age in years.
The 95% confidence interval for that prediction is given to be: \(1.272 \pm 0.570\)
That means, the predicted value of weight of a black bear (in tens of pounds) when one year age is incremented is 95% probable to lie in the interval \([1.272 - 0.57, 1.272 + 0.57] \approx [0.7, 1.84]\)
That is for weight in tens of pounds. Converting it to pounds gives us the interval \([7.0, 18.4]\) approx.
Note the words "prediction", and "of a bear".
That makes us conclude that:
Option B: We are 95 percent confident that an increase of one year in the age of an individual black bear will result in an increase in the black bear's weight of between 7.0 and 18.4 pounds.
(focus on the "will result in" phrase. It is taking similar to prediction thing. Since we're taking about regression line which tries to fit line for prediction of future output values for input values, thus, we chose second option.)
Thus, the correct interpretation of the provided confidence interval is given by:
Option B: We are 95 percent confident that an increase of one year in the age of an individual black bear will result in an increase in the black bear's weight of between 7.0 and 18.4 pounds.
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how do i solve for x
Answer:
wdym
Step-by-step explanation:
Answer:
x = −8
Step-by-step explanation:
Step 1: Simplify both sides of the equation.
(x + x) + (75 +53 + 68) = 180 (Combine Like Terms)
2x + 196 =180
Step 2: Subtract 196 from both sides.
2x + 196 − 196 = 180 −196
2x = −16
Step 3: Divide both sides by 2
x = -8
Hope this helps!!!
See screenshot below.
Using system of linear equations he will require 20kg of 15% copper and 30kg of 70% copper to produce an alloy of 48% in 50kg
System of Linear EquationThe system of linear equations is the set of two or more linear equations involving the same variables. Here, linear equations can be defined as the equations of the first order, i.e., the highest power of the variable is 1. Linear equations can have one variable, two variables, or three variables.
To solve this problem, we need to write a system of linear equations and find the equivalent amount of the metal required to make the desired amount of the alloy.
0.15x + 0.7y = 0.48(50) ..eq(i)
0.15x + 0.7y = 24 ...eq(i)
x + y = 50 ...eq(ii)
solving equation (i) and (ii)
x = 20, y = 30
He needs 20kg of 15% copper and 30kg of 70% copper to get 48% of 50kg of alloy.
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i need this quickly please
In a hypothesis test for population proportion, you calculated the p-value is 0. 01 for the test statistic, which is a correct statement of the p-value?.
According to the hypothesis test, the correct statement of the p-value is mean value is against null hypothesis.
Hypothesis test:
In statistics, hypothesis test means a form of statistical inference that uses data from a sample to draw conclusions about a population parameter or a population probability distribution.
Given,
Here we need to find the correct statement of the p-value for the a hypothesis test for population proportion, you calculated the p-value is 0. 01 for the test statistic.
While we looking into the given question we have identified the value of p value of the test statistic is 0.01.
Then the correct statement of the p-value less than 0.01 will under normal circumstances mean that there is substantial evidence against the null hypothesis.
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i Find a rational number between -1/2 and 3/4 ?
Answer:
5/8
Step-by-step explanation:
Find the rational number half way between 1/2 and 3/4
First add 1/2 and 3/4
1/2 + 3/4 = 2/4 + 3/4 = 5/4
Next, divide this sum by 2
5/4 divided by 2/1 = 5/4 * 1/2 = 5/8
5/8 is half from 1/2 and 3/4
1/2 < 5/8 > 3/4
Find the area of the shaded region.
Question 1 3 pts Let V be the vector space V = Span{4 + x - x², 2x + 3, x + x²} = What is the dimension of V? a) 1 b) 3 c) 4 d) 2
If the vector-space "V" is Span{4 + x - x², 2x + 3, x + x²}, then the dimension of V is (b) 3.
In order to find the dimension of "vector-space" V = Span{4 + x - x², 2x + 3, x + x²}, we find the maximum number of linearly-independent vectors in the set.
Let us consider the vectors in given set:
v₁ = 4 + x - x²
v₂ = 2x + 3
v₃ = x + x²
To check if these vectors are linearly-independent, we determine if there exist scalars c₁, c₂, and c₃ (not all zero) such that:
c₁v₁ + c₂v₂ + c₃v₃ = 0
If the only solution is c₁ = c₂ = c₃ = 0, then the vectors are linearly independent.
The equation can be written as :
c₁(4 + x - x²) + c₂(2x + 3) + c₃(x + x²) = 0
Simplifying:
(4c₁ + 2c₂ + c₃) + (c₁ + c₃)x + (-c₁ - c₃)x² = 0
To satisfy this equation, each coefficient must be 0:
4c₁ + 2c₂ + c₃ = 0 ...equation(1)
c₁ + c₃ = 0 ...equation(2)
-c₁ - c₃ = 0 ....equation(3)
From equations(2) and equation(3), we see that c₁ = c₃ = 0. Substituting this in equation(1):
We get,
4(0) + 2c₂ + 0 = 0
2c₂ = 0
c₂ = 0
Since all the coefficients are 0, we have found that only solution is c₁ = c₂ = c₃ = 0. So, the vectors v₁, v₂, and v₃ are linearly-independent.
Since these 3-vectors are linearly-independent and span the vector space V, the dimension of V is 3.
Therefore, the correct answer is (b) 3.
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the sum of supplementary angles measure is ?
Answer: 180 degrees
Step-by-step explanation: Two angles are called supplementary when their measures add up to 180 degrees.
Answer:
If the sum of the measure of two angles is 180.0
Step-by-step explanation:
then the angles are said to be supplementary angles, whereas if the sum of measures of two angles is 90 0 then the angles are called complementary angles. Supplementary angles together form a straight line whereas complementary angles together form a right angle.
I need help with this please
The segment AB is a radius and the notation is ↔ AB
Writing the notation with the term that best describes the segment ABFrom the question, we have the following parameters that can be used in our computation:
The circle
On the circle, we can see that
The segment AB goes from the center of the circle to a point on the circle
A line that goes from the center of the circle to a point on the circle is the radius of the circle
This means that the segment AB is a radius and the notation is ↔ AB
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\((c + 3) + (c + 6)\)Add and subtract polynomials
Answer:
2c + 9
Explanation:
Given the below expression;
\((c+3)+(c+6)\)To add the above, let's clear the parenthesis, collect like terms and add the like terms together;
\(c+c+3+6=2c+9\)i need someone to explain
Answer:
explain whtlat?
Step-by-step explanation:
comment what i could do for u.
How many and what type of solutions does 5x2−2x+6 have?
1 rational solution
2 rational solutions
2 irrational solutions
2 nonreal solutions
Answer:
2 nonreal solutions
Step-by-step explanation:
given a quadratic equation in standard form
ax² + bx + c = 0 (a ≠ 0 )
then the nature of the roots are determined by the discriminant
b² - 4ac
• if b² - 4ac > 0 then 2 real and irrational solutions
• if b² - 4ac > 0 and a perfect square then 2 real and rational solutions
• if b² - 4ac = 0 then 2 real and equal solutions
• if b² - 4ac < 0 then no real solutions
5x² - 2x + 6 = 0 ← in standard form
with a = 5 , b = - 2 , c = 6
b² - 4ac
= (- 2)² - (4 × 5 × 6)
= 4 - 120
= - 116
since b² - 4ac < 0
then there are 2 nonreal solutions to the equation
What is 6300kg in grams
Answer:
6,300kg=6,300,000grams
multiply 6,300 and 1,000 to get 6,300,000
What is 10% of 8383929 times 75% 93498
Answer:
48811.5
Step-by-step explanation:
What is the quotient of 8 1/4×3/4
Answer:
6 3/16
Step-by-step explanation:
8.25x.75=6.1875, or 6 & 3/16
Answer:
\(6\frac{3}{16}\)
Step-by-step explanation:
\(8 \frac{1}{4} * \frac{3}{4} \\\\\frac{33}{4} * \frac{3}{4} = \frac{99}{16} \\\\\frac{99}{16} = 6\frac{3}{16}\)
Hope this helps! :)
- Clout Answers
Brainliest is greatly appreciated :)
In 2 minutes, a conveyor belt moves 200 pounds of recyclable aluminum from the delivery truck to a storage area. A smaller belt moves the same quantity of cans the same distance in 3 minutes. If both
belts are used, find how long it takes to move the cans to the storage area.
The conveyor belts can move the 200 pounds of recyclable aluminum from the delivery truck to a storage area in minutes
It takes approximately 1.2 minutes to move the cans to the storage area when both conveyor belts are used.
We can begin the problem by using the formula:
work = rate x time
Let's denote the rate of the first belt as R1 and the rate of the second belt as R2. Then, we can write:
R1 = 200 pounds / 2 minutes = 100 pounds per minute
R2 = 200 pounds / 3 minutes ≈ 66.67 pounds per minute
When both belts are used, they work together to move the same 200 pounds of cans. Therefore, we can add their rates to get the total rate:
R = R1 + R2 = 100 + 66.67 = 166.67 pounds per minute
To find the time it takes to move the cans to the storage area, we can rearrange the formula:
time = work / rate
The total work is 200 pounds, so we have:
time = 200 pounds / 166.67 pounds per minute ≈ 1.2 minutes
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A(-3, 13), B(4, -15) Find the slope
You store brown stock in one-gallon batches.
One serving of braised ribs requires 1.8 cups of brown stock.
How many servings of ribs can be made with one batch?
Pls help this is due tomorrow and I’m confused on this question
Answer:
See attached graph
Step-by-step explanation:
Explained on graph
The interior angles formed by the sides of a quadrilateral have measures that sum to 360°. What is the value of x? Enter your answer in the box. X = A polygon with hash marks on the two sides, the left side labeled four X plus twelve and the right side labeled sixty.
In a quadrilateral, the sum of the interior angles is always 360 degrees.
Given the information provided, we have the following:
The left side is labeled "four x plus twelve."
The right side is labeled "sixty."
To find the value of x, we need to set up an equation based on the given information and solve for x.
The sum of the interior angles can be represented as:
(4x + 12) + 60 = 360
Combining like terms:
4x + 72 = 360
Subtracting 72 from both sides:
4x = 360 - 72
4x = 288
Finally, dividing both sides by 4:
x = 288 / 4
Simplifying:
x = 72
Therefore, the value of x is 72.
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help me plsssss
i put the image below
if u can see it
help asap
Answer:
q= 1.09
Step-by-step explanation:
the works there its a little messy tho
a simple random sample of 31 observations was taken from a large population that has a mean of 4.9 and a standard deviation of 1.02. from the sample, the average was calculated to be 5.3 and the standard deviation was computed as 1.11. the number 4.9 in this scenario is a
4.9 is the average of all the values in the large population. This is because the population mean refers to the average of all the values in the population.
In the given scenario, the number 4.9 is the population mean. Here's the explanation:
Given information: Simple random sample of 31 observations was taken from a large population that has a mean of 4.9 and a standard deviation of 1.02.
The average was calculated to be 5.3 and the standard deviation was computed as 1.11.To explain why 4.9 is the population mean, let's first define what population mean is.
The population mean refers to the average of all the values in a population. The population mean is calculated by summing all the values in the population and then dividing the result by the total number of values in the population. In the given scenario, we know that a simple random sample of 31 observations was taken from a large population that has a mean of 4.9 and a standard deviation of 1.02.
Therefore, 4.9 is the average of all the values in the large population. This is because the population mean refers to the average of all the values in the population.
Hence, in this scenario, the number 4.9 is the population mean.
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Question of
Two sides of a trangle have the following measures 7, 10 Find the range of possible measures for the third side.
Answer:
3 < x < 17
Step-by-step explanation:
Given 2 sides of a triangle then the third side x is in the range
difference of 2 sides < x < sum of 2 sides , that is
10 - 7 < x < 10 + 7
3 < x < 17
What is the correct order of steps for copying angle ABC?
To duplicate angle ABC, draw a line segment, position the compass on point A, and then draw an arc that intersects the line segment. Next, position the compass on point B, and then draw a second arc that intersects the first arc at a point on the line segment. Finally, position the compass on the point where the two arcs intersect, but without changing the width, and draw a third arc that intersects the line segment.
What is an angles?When two straight lines or rays intersect at a single endpoint, an angle is created. The vertex of an angle is the location where two points come together. The Latin word "angulus," which means "corner," is where the term "angle" originates.
What are common instruments used to measure angles?Common instruments used to measure angles are:
1. Protractor
2.Compass
3.Digital Angle finder
4.Angle finder
5.Clinometer
6. Inclinometer
You can take the following actions to copy angle ABC:
Create a line segment that will serve as the foundation for the new angle you're going to create.
Draw an arc that crosses the line segment you produced in step 1 by positioning the compass on point A.
Draw a second arc that crosses the previous arc at a point on the line segment by setting the compass on point B.
Place the compass on the intersection of the two arcs without adjusting the compass's width, then create another arc that crosses the line segment.
Point D is where the second arc crosses the line segment. To finish the new angle, join points D and C.
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Need help with math problem give 5 stars and brain thingy point
Answer:
b) 2/6
Step-by-step explanation:
0, 1/6, 2/6, 3/6, 4/6, 5/6, 1
Hope this helps!
What was the difference in the starting temperature and the ending temperature
Answer:
You subtract the final temperature from the starting temperature to find the difference. So if something starts at 50 degrees Celsius and finishes at 75 degrees C, then the change in temperature is 75 degrees C – 50 degrees C = 25 degrees C. For decreases in temperature, the result is negative.
Step-by-step explanation: really not sure how to explain but in my understood thats my answer
In a research study conducted to determine if arrests were related to the socioeconomic class of the offender, the chi square critical score was 9.488 and the chi square test statistic was 12.2. We can conclude that
We can conclude that the socioeconomic class of the offender is related to the likelihood of arrests.
Based on the information provided, we can conclude that there is a significant relationship between arrests and the socioeconomic class of the offender.
Identify the chi-square critical score: 9.488
Identify the chi-square test statistic: 12.2
Compare the test statistic to the critical score:
If the test statistic (12.2) is greater than the critical score (9.488), then there is a significant relationship between the variables.
In this case, 12.2 > 9.488, so there is a significant relationship between arrests and the socioeconomic class of the offender.
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I am extremely confused. Please help. Any help would be greatly appreciated.
Answer:
T/V = P/(nR)
Step-by-step explanation:
You want to find T/V from the equation PV = nRT.
SolutionT is in the numerator of the ratio you want. V is on the other side of the equation from T, so you can put V in the denominator by dividing both sides of the equation by V:
\(P=\dfrac{nRT}{V}\)
Now, you can get the ratio T/V by itself by dividing by its coefficient:
\(\dfrac{P}{nR}=\dfrac{T}{V}\)
Swapping sides gives you the relation you want:
\(\boxed{\dfrac{T}{V}=\dfrac{P}{nR}}\)
__
Additional comment
Isolating variables and solving equations using the properties of equality should be familiar processes.
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many psychologists consider the distinguishing feature of adolescent thought to be ability to think in terms of ___.
Many psychologists consider the distinguishing feature of adolescent thought to be the ability to think in terms of abstract concepts or hypothetical situations.
During adolescence, individuals begin to develop more advanced cognitive abilities, including the capacity for abstract reasoning and hypothetical thinking.Abstract thinking involves understanding and manipulating ideas and concepts that are not directly tied to concrete objects or experiences. It allows adolescents to consider possibilities beyond immediate reality and to engage in complex reasoning, such as formulating and testing hypotheses or contemplating multiple perspectives.Hypothetical thinking, on the other hand, enables adolescents to mentally explore potential scenarios and outcomes. They can consider "what if" situations, contemplate alternative solutions to problems, and weigh the consequences of different choices.These cognitive abilities play a crucial role in adolescent development, facilitating problem-solving, decision-making, and the exploration of identity and future possibilities.
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