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Assume that the weights of quarters are normally distributed with a mean of 5.70g and a...

Assume that the weights of quarters are normally distributed with a mean of 5.70g and a standard deviation of .075g. A vending machine will only accept coins weighing between 5.25g and 5.75g. Approximate, what percentage of legal quarters will be accepted?

74.75%

90.50%

25.25%

90.88%

Math   Statistics-And-Probability   
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