The patient recovery time from a particular surgical procedure is normally distributed with a mean of 5.9 days and standard deviation of 1.8 days. Write your answers in percent form. Round your answers to the nearest tenth of a percent. a) What is the probability of spending less than 9 days in recovery? % b) What is the probability of spending more than 7 days in recovery? % c) What is the probability of spending between 7 days and 9 days in recovery? %

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Chapter1: Combinatorial Analysis
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The patient recovery time from a particular surgical procedure is normally distributed with a mean of 5.9 days and standard deviation of 1.8 days. Write your answers in percent form. Round your answers to the nearest tenth of a percent.

a) What is the probability of spending less than 9 days in recovery? %
b) What is the probability of spending more than 7 days in recovery? %
c) What is the probability of spending between 7 days and 9 days in recovery? %

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