Question: Can u please explain this to me? thank you. https://onlinestatbook.com/2/calculatorsormal_dist.htmlMy teacher gave us this normal distribution calculator. If X is normally distributed with mean u

Can u please explain this to me? thank you. https://onlinestatbook.com/2/calculatorsormal_dist.htmlMy teacher gave us this normal distribution calculator.

If X is normally distributed with mean u and variance 02, what is the approximate probability that X is within 2 standard deviations from its mean? 0 0.955 O 0.477 O 0.683 O 0.844

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