Question 1197993:  The body temperatures of adults are normally distributed with a mean of 98.6 ° F and a standard deviation of 0.60° F. If 25 adults are randomly selected, find the probability that their mean body temperature is less than 99° F 
 Answer by ewatrrr(24785)      (Show Source): 
You can  put this solution on YOUR website! Using TI or similarly an inexpensive calculator like an Casio fx-115 ES plus: 
p(x <99) = normalcdf(smaller, larger, µ, σ)=(-9999,99, 98.6, .6/√25) = .9996   
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