SOLUTION: If 40 different pilots are randomly selected find the probability that their mean weight is between 140 and 181 lbs Mean 149 and standard deviation 25.9

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Question 910347: If 40 different pilots are randomly selected find the probability that their mean weight is between 140 and 181 lbs
Mean 149 and standard deviation 25.9

Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
Mean 149 and standard deviation 25.9. Sample sd = 25.9/sqrt(40) = 4.095
P(140 < x <181) = normalcdf(140,181,149,4.095)