Find $\displaystyle \mathbb{P}\{X^{4}\le 1\} $ for $\displaystyle X $ ~ $\displaystyle N(0, 0.25) $. I am really struggling with this, can anyone help?
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Originally Posted by slevvio Find $\displaystyle \mathbb{P}\{X^{4}\le 1\} $ for $\displaystyle X $ ~ $\displaystyle N(0, 0.25) $. I am really struggling with this, can anyone help? $\displaystyle \Pr(X^4 \leq 1) = \Pr(-1 \leq X \leq 1)$.
Thank you this makes sense
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