Your report card contains five a's and three b's. what is the ratio of a's to b's?

Assume that the weights of quarters are normally distributed with a mean of 5.67 g and a standard deviation 0.070 g. a vending machine will only accept coins weighing between 5.48 g and 5.82 g. what percentage of legal quarters will be rejected? round your answer to two decimal places.

Credit card a offers an introductory apr of 3.4% for the first three months and standard apr of 15.7% thereafter,

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