Question

What is the area covered by a bell-shaped curve from $-6\sigma$ to $+6\sigma$ in normal distribution?

Accepted Answer

C. As per empirical rule in statistics, $\mu \pm 3\sigma$ covers approximately $99.73\%$ of the data, and $\mu \pm 6\sigma$ covers approximately $99.999666\%$ of the data.

Area covered by normal distribution curve

Explanation

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