Question

suppose that the weight,X, in pounds, of a 40 year old man is a normal random variable with mean 147 and standard deviation 16, calculate P(X< 185).​

Answer 1

0.9912

Explanation:

The mean is μ=147, and the standard deviation is σ=16.Open Excel. Click on an empty cell. Type =NORMDIST(185,147,16,1) and press ENTER.The probability, rounded to four decimal places, is P(X<185)≈0.9912

Answer 2

r

Explanation: