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A waitress keeps track of the tips she earns and knows that her mean tip is 15% with a standard deviation of 4%. Suppose
that she uses this information to create a sampling distribution with samples of size 50
What is the probability that a sample of tips will have a mean between 14% and 15.5%?
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Transcribed Image Text:A waitress keeps track of the tips she earns and knows that her mean tip is 15% with a standard deviation of 4%. Suppose that she uses this information to create a sampling distribution with samples of size 50 What is the probability that a sample of tips will have a mean between 14% and 15.5%?
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