SOLUTION: A grocery store will only accept yellow onions that are at least 3.25 in. in diameter. A grower has a crop of onions with diameters that are normally distributed, with a mean diame

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Question 307589: A grocery store will only accept yellow onions that are at least 3.25 in. in diameter. A grower has a crop of onions with diameters that are normally distributed, with a mean diameter of 3 in. and a standard deviation of 0.25 in. What percent of the onions will be accepted by the grocery store?
* 84%
* 16%
* 2.5%
* 50%
Answer by rapaljer(4667) About Me  (Show Source):
You can put this solution on YOUR website!
50% of the onions are at least 3 inches, since this is the mean value. Between the mean 3.00 inches and the first standard deviation at 3.25 in will be 34% of the onions. This leaves 50%-34% or 16% of the onions that are more than 3.25 inches. Final answer is 16%.

Dr. Robert J. Rapalje, Retired