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The distribution of the ages of of all IRSC students is known to be normally distributed with a mean of 22.8 years and a standard

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The distribution of the ages of of all IRSC students is known to be normally distributed with a mean of 22.8 years and a standard deviation of 6.4 years. Use this information to determine the following probabilities. Round solutions to four decimal places, if necessary. Find the probability that a random sample of 96 students has a mean age of less than 21.7 years. P(x

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