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Question 15 of 15 (1 point) | Attempt 1 of 1 |View question in a popup @ 3h 3m Remaining 6.3 Section Exercise 18 Medicare

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Question 15 of 15 (1 point) | Attempt 1 of 1 |View question in a popup @ 3h 3m Remaining 6.3 Section Exercise 18 Medicare Hospital Insurance The average yearly Medicare Hospital Insurance benefit per person was $4064 in a recent year. Suppose the benefits are normally distributed with a standard deviation of $460. Round the final answers to at least four decimal places and intermediate z-value calculations to two decimal places. Part 1 of 2 Find the probability that the mean benefit for a random sample of 28 patients is less than $3810. P(X 4200) =

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