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Math Help - random variable???

  1. #1
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    random variable???

    Let be a standard normal random variable. Use the calculator provided to determine the value of such that .

    Carry your intermediate computations to at least four decimal places. Round your answer to at least two decimal places.
    Last edited by mr fantastic; November 18th 2009 at 08:49 PM. Reason: Tidied up post
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  2. #2
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    Quote Originally Posted by leefuqua05 View Post
    Let be a standard normal random variable. Use the calculator provided to determine the value of such that .

    Carry your intermediate computations to at least four decimal places. Round your answer to at least two decimal places.
    Start from Pr(Z < c) - Pr(Z < -1.14) = 0.08600.

    Note that Pr(Z < -1.14) = Pr(Z > 1.14) = 1 - Pr(Z < 1.14) which you should be able to look up in your tables.
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