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
Answers: 3
![=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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