SOLUTION: A particular fruit's weights are normally distributed, with a mean of 255 grams and a standard deviation of 10 grams. The heaviest 9% of fruits weigh more than how many grams?

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Question 1191042: A particular fruit's weights are normally distributed, with a mean of 255 grams and a standard deviation of 10 grams.
The heaviest 9% of fruits weigh more than how many grams?
Give your answer to the nearest gram.

Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
heaviest fruits are 91st percentile=1.3407
z=(x-mean)/sd
z*sd=13.41
weight is 255+13.41=268.41 gm or 268 gm rounded to nearest gram.