At one high school, students can run the 100-yard dash in an average of 15.2 seconds with a standard deviation of .9 seconds. The times are very closely approximated by a normal curve. Find the percent of times that are indicated. Round to the nearest whole percent.Between 16.1 and 17 seconds

A. 34%
B. 12%
C. 27%
D. 14%


Answer: D

Mathematics

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A. s1 = P - s2 - s3 B. s1 = s2 + s3 - P C. s1 = P + s2 + s3 D. s1 = s2 + P - s3

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Perform the matrix row operation (or operations) and write the new matrix.  R1

A.

B.

C.

D.

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