Mathematics, 13.04.2021 02:40 kaikao17801
Vending machines can be adjusted to reject coins above and below certain weights. The weights of legal U. S. quarters have a normal distribution with a mean of 5.67 grams and a standard deviation of 0.07 gram. If a vending machine is adjusted to reject quarters that weigh more than 5.81 grams and less than 5.53 grams, what percentage of legal quarters will be rejected by the vending machine
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![=P(\dfrac{x-\mu}{\sigma}\dfrac{5.81-5.67}{0.07})\\\\=P(z2)\approx0.02275 \ \ \ [By\ P-value\ calculator]](/tpl/images/1254/4787/c4a73.png)
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Vending machines can be adjusted to reject coins above and below certain weights. The weights of leg...
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