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Again, working with the data in Problem 13-11, the number of cars that arrive in each 10-minute period is another factor that will determine whether there will be the capacity to handle the drive-thru business. In addition to studying the service times, the owners also counted the number of cars that arrived at the deli in the nearby town in a sample of 10-minute time periods. These data are as follows:
Based on these data, is there evidence to conclude that the arrivals are not Poisson distributed? State the appropriate null and alternative hypotheses and test using a significance level of 0.025. |
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