The work week for adults in the US that work full time is normally distributed with a mean of 47 hours. A newly hired engineer at a start-up company believes that employees at start-up companies work more on average then most working adults in the US. She asks 12 engineering friends at start-ups for the lengths in hours of their work week. Their responses are shown in the table below. Test the claim using a 1% level of significance. Give answer to at least 4 decimal places. Hours 49 47 59 51 47 69 53 60 46
The work week for adults in the US that work full time is normally distributed with a mean of 47 hours. A newly hired engineer at a start-up company believes that employees at start-up companies work more on average then most working adults in the US. She asks 12 engineering friends at start-ups for the lengths in hours of their work week. Their responses are shown in the table below. Test the claim using a 1% level of significance. Give answer to at least 4 decimal places. Hours 49 47 59 51 47 69 53 60 46
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
![The work week for adults in the US that work full time is normally distributed with a mean of 47 hours. A
newly hired engineer at a start-up company believes that employees at start-up companies work more on
average then most working adults in the US. She asks 12 engineering friends at start-ups for the lengths in
hours of their work week. Their responses are shown in the table below. Test the claim using a 1% level of
significance. Give answer to at least 4 decimal places.
Hours
49
47
59
51
47
69
53
60
46
46
55
54
a. What are the correct hypotheses?
Ho: Select an answer
H₁: Select an answer ? O
?
Based on the hypotheses, find the following:
b. Test Statistic =
c. p-value =
hours
math.com
hours
d. The correct decision is to Select an answer
e. The correct summary would be: Select an answer
hours of all employees at start-up companies work more than the US mean of 47 hours.
Question Help: Video Message instructor
that the mean number of](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F16eaad05-c857-4f7c-933f-0b1cc2121bed%2F7fbf8f71-194e-47fa-a4a3-b6a7159b8617%2F49qfdj7_processed.jpeg&w=3840&q=75)
Transcribed Image Text:The work week for adults in the US that work full time is normally distributed with a mean of 47 hours. A
newly hired engineer at a start-up company believes that employees at start-up companies work more on
average then most working adults in the US. She asks 12 engineering friends at start-ups for the lengths in
hours of their work week. Their responses are shown in the table below. Test the claim using a 1% level of
significance. Give answer to at least 4 decimal places.
Hours
49
47
59
51
47
69
53
60
46
46
55
54
a. What are the correct hypotheses?
Ho: Select an answer
H₁: Select an answer ? O
?
Based on the hypotheses, find the following:
b. Test Statistic =
c. p-value =
hours
math.com
hours
d. The correct decision is to Select an answer
e. The correct summary would be: Select an answer
hours of all employees at start-up companies work more than the US mean of 47 hours.
Question Help: Video Message instructor
that the mean number of
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