Problem 38 of 7
Use empirical rule for normal model below 2 standard deviations from the mean.
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apply 68-95-99.7 rule.
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Apply 68-95-99.7 rule within 1, 2, and 3 standard deviations.
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Solution
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1. Identify number of standard deviations from mean.
2. Apply 68-95-99.7 rule.
3. Use symmetry for one-sided portions if needed.
Use the worked steps, then substitute the final answer back into the original relationship to confirm it satisfies the prompt.
Applying rule to clearly non-normal distribution.