Mathematics, 18.03.2021 01:30 rosepotato789

According to the rules of tennis, a tennis ball is supposed to weigh between 56.9 grams and 58 grams. A machine for manufacturing tennis balls produces balls with a mean of 57.4 grams and a standard deviation of 0.2 grams, when it is operating correctly, suppose that the distribution of weights is normal. If the machine is operating properly, what is the probability that a ball manufactured with this machine satisfies the regulation

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