Answer:
The 95% confidence interval for the average number of years until the first major repair is (3.1, 3.5).
Step-by-step explanation:
The (1 - <em>α</em>)% confidence interval for the average using the finite correction factor is:

The information provided is:

The critical value of <em>z</em> for 95% confidence level is,
<em>z</em> = 1.96
Compute the 95% confidence interval for the average number of years until the first major repair as follows:


Thus, the 95% confidence interval for the average number of years until the first major repair is (3.1, 3.5).
Answer:
800
Step-by-step explanation:
20 x40 =800
x ×y
abcdefghijklmnopqurstuvwxyz
Answer:
150 Degrees
Step-by-step explanation:
Each color strip represents 10 degrees since a circle is 360 degrees, and there are 36 strips. Since inside of the angle there are 15 strips that means that the angle is 150 degrees.
Hope that helps!
MARK BRAINLIEST!
Answer: See the description below.
The residuals are the difference between the actual and predicted values. Just subtract those values and plot the point.
Your points will be:
(2, 0)
(3, 4)
(4, -5)
(6, -1)
(7, 2)
Answer:
they cost 13.86666666666667
Step-by-step explanation: