A data set is found to approximate a normal curve and has a mean of 72.5 and a standard deviation of 10.8. In which range of numbers will 99% of the scores fall?
a. 35.8 – 112.6
b. 44.6 – 100.4
c. 51.3 – 93.7
d. 61.7 – 83.3
ANS: B
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