SOLUTION: A farmer has found that the length of string beans he grows follows a normal distribution, having a mean of 12 cm, and a standard deviation of 1.17 cm. If the farmer can only sell
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Question 1135757: A farmer has found that the length of string beans he grows follows a normal distribution, having a mean of 12 cm, and a standard deviation of 1.17 cm. If the farmer can only sell beans between 9 and 15 cm long, about what percentage of the crop cannot be sold?
Answer by Boreal(15235) (Show Source): You can put this solution on YOUR website!
z=(x-mean)/sd
low end (9-12)/1.17=-2.56
high end is +2.56
That probability is 0.9895
so 0.0105 or 1.05% can't be sold.
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