8
QuizMultiple Choice

Introduction to Normal Distributions — Quiz

Question 8 • Algebra II

The times of all 15 year olds who run a certain race are approximately normally distributed with a given mean mu is equal to 18 sec and standard deviation sigma is equal to 1 point 2 sec. What percentage of the runners have times less than 14 point 4 sec?

Answer
A
0 point 1 5 percent
B
2 point 5 0 percent
C
0 point 3 0 percent
D
0 point 6 0 percent
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