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The amount of time in minutes devuted to commercials on a

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The amount of time (in minutes) devuted to commercials on a TV channel during any half-hour program is a random variable whose mean is 6.6 minutes and whose standard deviation is .866 minutes. If 40 half-hour blocks were randomly selected, find the probability that the mean of the sample would be less than 6.35 minutes.

Reference no: EM13630141

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