SOLUTION: A distribution of weights is known to be approximately normally distributed with mean of 77.5 kilograms and standard deviation of 4.6 kilograms. Determine the probability of ran

Algebra ->  Probability-and-statistics -> SOLUTION: A distribution of weights is known to be approximately normally distributed with mean of 77.5 kilograms and standard deviation of 4.6 kilograms. Determine the probability of ran      Log On


   



Question 871257: A distribution of weights is known to be approximately normally distributed with mean of 77.5 kilograms and standard deviation of 4.6 kilograms.
Determine the probability of randomly selecting one person with a weight less than 72 kilograms.

Enter your response as a three digit decimal value.

Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
z = -5.5/4.6 = -1.1957
P(z < -1.1957) = 11.59%