34. Ski wax. Bjork Larsen was trying to decide whether
Chapter 23, Problem 34(choose chapter or problem)
34. Ski wax. Bjork Larsen was trying to decide whether touse a new racing wax for cross-country skis. He decidedthat the wax would be worth the price if he could averageless than 55 seconds on a course he knew well, so heplanned to test the wax by racing on the course 8 times.a) Suppose that he eventually decides not to buy thewax, but it really would lower his average time to below55 seconds. What kind of error would he havemade?b) His 8 race times were 56.3, 65.9, 50.5, 52.4, 46.5, 57.8,52.2, and 43.2 seconds. Should he buy the wax?Explain.
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