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In the past patrons of a cinema complex have spent an

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In the past, patrons of a cinema complex have spent an average of $5.00 for popcorn and other snacks, with a standard deviation of $1.80. If a random sample of of 32 patrons is taken, what is the probability that the mean expenditure of this sample is greater than $4.20?

Reference no: EM13636208

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