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  1. #1
    Senior Member slevvio's Avatar
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    Normal

    Find  \mathbb{P}\{X^{4}\le 1\} for  X ~  N(0, 0.25) .

    I am really struggling with this, can anyone help?
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  2. #2
    Flow Master
    mr fantastic's Avatar
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    Quote Originally Posted by slevvio View Post
    Find  \mathbb{P}\{X^{4}\le 1\} for  X ~  N(0, 0.25) .

    I am really struggling with this, can anyone help?
    \Pr(X^4 \leq 1) = \Pr(-1 \leq X \leq 1).
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  3. #3
    Senior Member slevvio's Avatar
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    Thank you this makes sense
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