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At one high school, the mean time for running the 100-yard dash is with a standard deviation of 0.9 seconds. The times are very closely approximated...

At one high school, the mean time for running the 100-yard dash is with a standard deviation of 0.9 seconds. The times are very closely approximated by a normal curve. Find the percent of times that are:

At least 14.3 seconds
Question 9 answers
13.5%
50%
84%
16%

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