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QUESTION 19 4 points Save Answer Hannah Svenson was trying to decide whether to use a new racing wax for cross-country skis. She decided that
QUESTION 19 4 points Save Answer Hannah Svenson was trying to decide whether to use a new racing wax for cross-country skis. She decided that the wax would be worth the price if she could average less than 55 minutes on a course she knew well, so she planned to study the wax by racing on the course 8 times. Her race 8 race times were 56.3, 65.9, 50.5, 52.4, 46.5, 57.8, 52.2, and 43.2 minutes. Should she buy the wax? Is this a one- or two-sided test? Calculate the test statistic. What is the p-value? Should she buy the wax? Assume a signicance level of 0.05. Hint: Set up your hypotheses as follows: H0: p 2 55 H1: p
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