As per empirical rule area under the curve for z value varying from -2 to +2 is________Group of answer choices68%100%95%99.7%
Question
As per empirical rule area under the curve for z value varying from -2 to +2 is________Group of answer choices68%100%95%99.7%
Solution
The answer is 95%. The empirical rule, also known as the 68-95-99.7 rule, states that for a normal distribution, 68% of the data falls within one standard deviation of the mean, 95% falls within two standard deviations, and 99.7% falls within three standard deviations. So, for a z value varying from -2 to +2, which is two standard deviations from the mean, 95% of the data would be included.
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