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 45 40 54 54 45 68 48 58 49 50 50 55 What are the correct hypotheses? Ho: Select an answer v hours H,: Select an answer v hours Based on the hypotheses, find the following: Test Statistic= p-value= The correct decision is to Select an answer v that the mean number 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.
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 45 40 54 54 45 68 48 58 49 50 50 55 What are the correct hypotheses? Ho: Select an answer v hours H,: Select an answer v hours Based on the hypotheses, find the following: Test Statistic= p-value= The correct decision is to Select an answer v that the mean number 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.
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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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
45
40
54
54
45
68
48
58
49
50
50
55
What are the correct hypotheses?
Ho: Select an answer v
hours
H: Select an answer v
hours
Based on the hypotheses, find the following:
Test Statistic=
p-value=
The correct decision is to Select an answer
v that the mean number
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.
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