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The time that a shopper spends in the grocery store is normally distributed, with a mean of 45 minutes and a standard deviation of 12

The time that a shopper spends in the grocery store isnormallydistributed, with a mean of 45 minutes and a standard deviation of 12 minutes.

For a sample of 50 shoppers, what is the probability that theirmeantime spent in the grocery store is less than 43 minutes?

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