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5. At a walk-in clinic, 30 patients arrive per hour on average. What is the probability...

5. At a walk-in clinic, 30 patients arrive per hour on average. What is the probability that the receptionist needs to wait at least 10 minutes for the next patient to walk in? Round your answer to 4 decimal places.

6. Suppose the heights of units of product from a company follow a normal distribution with an unknown mean and standard deviation. They collect a sample of 49 units and find a sample mean height of 23.5 inches and a sample standard deviation of 2 inches. Calculate a 95% tolerance interval. Enter your lower bound below. Do not round your answer.

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