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 10% level of significance. Hours 50 40 54 50 45 70 45 45 49 49 53 51 What are the correct hypotheses? Ho: Select an answer Test Statistic= ? V Ha: Select an answer ? V Based on the hypotheses, find the following: p-value= hours hours (Give answer to at least 4 decimal places.) (Give answer to at least 4 decimal places). The correct decision is to Select an answer The correct summary would be: [Select an answer of hours of all employees at start-up companies work more than the US mean of 47 hours. that the mean number
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 10% level of significance. Hours 50 40 54 50 45 70 45 45 49 49 53 51 What are the correct hypotheses? Ho: Select an answer Test Statistic= ? V Ha: Select an answer ? V Based on the hypotheses, find the following: p-value= hours hours (Give answer to at least 4 decimal places.) (Give answer to at least 4 decimal places). The correct decision is to Select an answer The correct summary would be: [Select an answer of hours of all employees at start-up companies work more than the US mean of 47 hours. that the mean number
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
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Question

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 10% level of
significance.
Hours
50
40
54
50
45
70 45 45
70
45
49
49
53
51
What are the correct hypotheses?
Ho: Select an answer ✓
Test Statistic=
? V
Ha: Select an answer ✓ ? V
Based on the hypotheses, find the following:
p-value=
hours
hours
(Give answer to at least 4 decimal places.)
(Give answer to at least 4 decimal places).
The correct decision is to Select an answer
The correct summary would be: Select an answer
of hours of all employees at start-up companies work more than the US mean of 47 hours.
that the mean number
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