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If Z is a standard normal variable, find the probability. The probability that Z is between -2.41 and 0?

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If Z is a standard normal variable, find the probability. The probability that Z is between -2.41 and 0?

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  1. P( -2.41≤ z  Ã¢Â‰Â¤ 0) = 0.5 - 0.008 = 0.4920

    Why??

    "Look-up" Table Proportion for Cumulative Normal Distribution:

    P(z  Ã¢Â‰Â¤ -2.41) = 0.008

    P(z  Ã¢Â‰Â¤ 0) = 0.5

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