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Assume the amount of time accountants take to complete an audit is a normally distributed random...

Assume the amount of time accountants take to complete an audit is a normally distributed random variable with a mean of 21 hours and a standard deviation of 2 hours. What is the probability that the amount of time the accountants take to complete a randomly selected audit will be between 17 and 25 hours?

Math   Statistics-And-Probability   
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