Mathematics, 05.03.2020 08:34 lydiakegg454

If a certain machine makes electrical resistors having a mean resistance of 60 ohms and a standard deviation of 4.5 ohms, what is the probability that a random sample of 81 of these resistors will have a combined resistance of more than 4949.1 ohms?

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If a certain machine makes electrical resistors having a mean resistance of 60 ohms and a standard d...