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Question a random sample of five accidents resulted in the

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Question: A random sample of five accidents resulted in the following number of persons injured: 18, 15,12, 19, & 21. Using the .01 significance level, can we conclude the population mean is less than 20 for all accidents? a) State Ho and Ha? b) Test statistic = ? c) Critical value = ?d) Reject Ho: (yes or no)

Reference no: EM13581750

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