The historical on-time percentage for Amtrak's Sunset Limited is 10 percent. In July, the train was on time 1 times in 27 runs. Hint: Use Excel to calculate the cumulative binomial probability AXs1in= 27, * 0.10). Assume a 01. (a) Choose the correct null and alternative hypotheses and decision rule. a. Hg: 2 10 versus H: < 10. Reject Hg if P< 0.10 b. Hg: A2 10 versus H: < 10. Reject Ha if P> 0.10

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