Use the Central Limit Theorem to find the probability of the indicated event, assuming that the distribution of the population data is unknown. The average wait time before a patient is seen by a doctor at a particular walk-in clinic on Saturdays is 69 minutes, with a standard deviation of 33 minutes. What is the probability that the average wait time for a group of 90 patients on a particular Saturday is over 75 minutes?

A First Course in Probability (10th Edition)
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Chapter1: Combinatorial Analysis
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Use the Central Limit Theorem to find the probability of the indicated event, assuming that the distribution of the population data is unknown.

The average wait time before a patient is seen by a doctor at a particular walk-in clinic on Saturdays is 69 minutes, with a standard deviation of 33 minutes. What is the probability that the average wait time for a group of 90 patients on a particular Saturday is over 75 minutes? 

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