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A simple random sample from a population with a normal distribution of 108 body temperatures has...

A simple random sample from a population with a normal distribution of 108 body temperatures has

x overbar x equals=98.8 degrees F° and sequals=0.63 degrees F°.

Construct a 95%confidence interval estimate of the standard deviation of body temperature of all healthy humans.

Math   Statistics-And-Probability   
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Answer #1

X-bar = 98.8

s = 0.63

n = 108

Z score for 95% confidence interval = Z0.025 = 1.96

Confidence interval

                               

                               

                                = (98.68 , 98.92)

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