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A simple random sample from a population with a normal distribution of 105 body temperatures has x=98.40F and s=0.67F. Construct an 80% confidence interval estimate

A simple random sample from a population with a normal distribution of 105 body temperatures has

x=98.40F and s=0.67F. Construct an 80% confidence interval estimate of the standard deviation of body temperature of all healthy humans.

(Round to two decimal places as needed.)

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