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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
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 48 41 55 53 45 63 49 49 45 46 55 54 a. What are the correct hypotheses? Ho: Select an answer H: Select an answer Based on the hypotheses, find the following: b. Test Statistic = hours hours c. p-value= d. The correct decision is to [Select an answer that the mean e. The correct summary would be: Select an answer number of hours of all employees at start-up companies work more than the US mean of 47 hours.
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