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The patient recovery time from a particular surgical procedure is normally distributed with a mean of...

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Statistics

The patient recovery time from a particular surgical procedureis normally distributed with a mean of 3 days and a standarddeviation of 1.5 days. Let X be the recovery time for a randomlyselected patient. Round all answers to 4 decimal places wherepossible.

a. What is the distribution of X? X ~ N(,)

b. What is the median recovery time? days

c. What is the Z-score for a patient that took 4.8 days torecover?

d. What is the probability of spending more than 4 days inrecovery? e. What is the probability of spending between 2.8 and3.4 days in recovery? f. The 70th percentile for recovery times isdays.

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