Answer :
Final answer:
Approximately 68% of values should fall between 31 and 36 for a normally distributed random variable.
Explanation:
The 68-95-99.7 Rule states that for a normally distributed random variable, approximately 68% of values fall within one standard deviation of the mean, approximately 95% fall within two standard deviations of the mean, and more than 99% fall within three standard deviations of the mean.
In this case, the range between 31 and 36 falls within one standard deviation of the mean. So, approximately 68% of values should fall between 31 and 36 for a normally distributed random variable.
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