Help with Probability Question

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Give the probability in decimal form (correct to two decimal places).

Last semester, a professor gave 13 As out of 385 grades. If one of the professor's students last semester were selected randomly, what is the probability that student received an A?

Dec 8th, 2014

Since there were 13 A's out of 385 total grades, this can be written as 13/385.  Enter this into a calculator and the decimal form of this is 0.033766... Rounded to two decimal places is 0.03

Dec 8th, 2014

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Dec 8th, 2014
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Dec 8th, 2014
Sep 24th, 2017
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