radzter radzter

03-09-2018
Mathematics

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suppose certain coins have weights that are normally distributed with a mean of 5.315 and a standard deviation of 0.7 to a vending machine is configured to accept those coins with weights between 5.235 and 5.395 if 300 different coins are inserted into the vending machine what is the expected number of rejected coins

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jaysontaveras jaysontaveras

03-09-2018

Ans: 0.9464*270 = 256 when rounded up

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