Math, asked by abhi3651, 1 year ago

calculate probability with mean and standard deviation

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Answered by Anonymous

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The value of 20 has a Z score of 0, which means it is equal to the mean. And the value of 30 has a Z score of 1, which means it is one standard deviation above the mean. The Z score allows you to calculate the probability that a normally distributed random variable x will fall within a desired range.

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