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#normal-distribution

6 questions from Probability, Linear Models & Regularization

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Question 1: Short answer

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The normal density satisfies $\varphi'(x) = \varphi(x)\,\dfrac{\mu - x}{\sigma^2}$ . For the standard normal ( $\mu = 0$ , $\sigma = 1$ ), what is $\varphi'(1)$ ? Round to 3 decimals.

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