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 value calculations to two decimal places. Part 1 of 2 . Find the probability that the mean benefit for a random sample of 23 patients is less than $3810. P( overline X 4230)=

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