Human body temperatures for healthy individuals have approximately a normal distribution with mean 98.25F and standard deviation

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Human body temperatures for healthy individuals have approximately a normal distribution with mean 98.25°F and standard deviation .75°F.  (The past accepted value of 98.6 °F was obtained by converting the Celsius value of 37°, which is correct to the nearest integer.)

a. Find the 90th percentile of the distribution.
b. Find the 5th percentile of the distribution.
c. What temperature separates the coolest 25% from the others?

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Modern Mathematical Statistics With Applications

ISBN: 9783030551551

3rd Edition

Authors: Jay L. Devore, Kenneth N. Berk, Matthew A. Carlton

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