SOLUTION: 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 pe

SOLUTION: 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 pe

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Question 1157648: 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:
Less than 17 seconds
Answer by Boreal(15235) (Show Source): You can put this solution on YOUR website!
Need to know the mean
z=(x-mean)/sd
x is 17
sd is 0.9
mu is missing.
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