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Mathematics, 11.02.2020 18:43 sadelshariff
The population of lengths of aluminum-coated steel sheets is normally distributed with a mean of 30.05 inches and a standard deviation of 0.2 inches. What is the probability that a sheet selected at random from the population is between 30.25 and 30.65 inches long?What is the probability that a standard normal random variable will be between .3 and 3.2?
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