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9 a b The waiting times at a local coffee shop have a mean of 1 25 minutes and a standard deviation of 0 38

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9 a b The waiting times at a local coffee shop have a mean of 1 25 minutes and a standard deviation of 0 38 What is the z score for a wait time of 1 45 minutes Explain what your answer for part a means If a wait time had a z score of 1 35 what was the original wait time

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