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The average labor cost for car repairs for a large chain of car repair shops is $98.25. The standard deviation is $14.20. Assume the variable

The average labor cost for car repairs for a large chain of car repair shops is $98.25. The standard deviation is $14.20. Assume the variable is normally distributed.If 25 stores are selected at random, find the probability that the average labor cost is between $47.50 and $99.

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