02-02-2017
Mathematics

contestada

A 20$ bill, two 10$ bills, three $5 bills and four $1 bills are placed in a bag. If a bill is chosen at random, what is the expected value for the amount chosen?

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02-02-2017

20 + (10x2) 20 (5x3) +15 + (4x1) 4 = 59

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