- wrong account number on tax return
Currently quarters have weights that are normally distributed with a mean of 5.670 g and a standard deviation of 0.062 g. A vending machine is configured to accept only those quarters with weighs between 5.55. g and 5.790 g.
Additional Details the answer is 15 just dont know how...
If 280 different quarters are inserted into the vending machine, what is the expected number of rejected qrts?
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