At one high school, students can run the 100-yard dash in a mean of 15.2 seconds with a standard deviation of 0.9 seconds. The times are very closely approximated by a normal curve. Rounding to the nearest tenth of a percent as necessary, find the percent of times that are:More than 15.2 seconds
A. 50%
B. 68%
C. 34%
D. 48%
Answer: A
Mathematics
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