he 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 47 45 59 53 50 62 51 48 49 49 55 53

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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
47
45
59
53
50
62
51
48
49
49
55
53

 

What are the correct hypotheses? 

H0:                   hours

H1:                   hours

Based on the hypotheses, find the following:

Test Statistic=

p-value=

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