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Math Help - Continuous Probability Distributions

  1. #1
    wekoho2
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    Continuous Probability Distributions

    I am having trouble with this problem....

    X is normally distributed with mean 100 and standard deviation 20. What is probability that X is greater than 145?
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  2. #2
    Member
    Joined
    Mar 2008
    Posts
    148
    N(100,400) : \frac{1}{20 \sqrt{2\pi}}e^{-\frac{(x-100)^2}{800}} Integrate from 145 to \infty
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