Question

A grocery store will only accept yellow onions that are at least 3 inches in diameter. A grower has a crop of onions with diameters that are normally distributed with a mean diameter of 3.25 inches and a standard deviation of 0.25 inches. What percent of the onions will be accepted by the grocery store?
34%
97.5%
84%
50%

Answer 1

For the answer to the question above,this is a simple question.

z = (3.25-3.5)/.25= -1
p= .8413
then multiply 100 to get the percentage.
The answer will be 
84.13% or 84% rounded to the whole number.
I hope my answer helped you with your problem above. Have a nice day