Mathematics, 31.03.2020 00:51 melikefood01
Vending Machines Quarters are now manufactured so that they have a mean weight of 5.670 g and a standard deviation of 0.062 g, and their weights are normally distributed. A vend-ing machine is configured to accept only those quarters that weigh between 5.550 g and 5.790 g.
a. If 1 randomly selected quarter is inserted into the vending machine, what is the probability that it will be accepted?
b. If 4 randomly selected quarters are inserted into the vending machine, what is the probability that their mean weight is between 5.550g and 5.790g?
c. If you own the vending machine, which result is more important: the result from part (a) or part (b)?
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