Question 4 & 5 Please make sure answer is 100% correct, will upvote correct answer but downvote incorrect. Round answers if correctly if necessary.

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 50 49 60 54 49 65 51, 54 45 46 50 50 What are the correct hypotheses? Ho: Select an answer v ? v hours H1: |Select an answer v ? v hours Based on the hypotheses, find the following: Test Statistic p-value The correct decision is to |Select an answer The correct summary would be: Select an answer that the mean number of hours of all employees at start-up companies work more than the US mean of 47 hours. Question 5 [6 pts 5 1 ( Details It is commonly believed that the mean body temperature of a healthy adult is 98.60 F. You are not entirely convinced. You believe that it is not 98.6 F. a) If you going to test this claim at the 0.01 significance level, what would be your null and alternative hypotheses? Ho: ? H1: ? v b) What type of hypothesis test should you conduct (left-, right-, or two-tailed)? O left-tailed O right-tailed O two-tailed