11. The finishing times of a 5K race run by competitive male runners age 15-18 are approximately normal distribution with a mean time of 18 minutes and a standard deviation of 2 minutes. A particularly tough 5K race tends to take these same runners 4.5 additional minutes. To earn a completion medal in this particular 5K race, the runner must complete the race within 25 minutes. Approximately, what percent of competitive male runners in the 15-18 age bracket typically do not earn a completion medal at this race? (A) Approximately 0% (B) 10.56% (C) 14.08% (D) 28.93% (E) 35.03%
11. The finishing times of a 5K race run by competitive male runners age 15-18 are approximately normal distribution with a mean time of 18 minutes and a standard deviation of 2 minutes. A particularly tough 5K race tends to take these same runners 4.5 additional minutes. To earn a completion medal in this particular 5K race, the runner must complete the race within 25 minutes. Approximately, what percent of competitive male runners in the 15-18 age bracket typically do not earn a completion medal at this race? (A) Approximately 0% (B) 10.56% (C) 14.08% (D) 28.93% (E) 35.03%
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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11. The finishing times of a 5K race run by competitive male runners age 15-18 are approximately normal distribution with a mean time of 18 minutes and a standard deviation of 2 minutes. A particularly tough 5K race tends to take these same runners 4.5 additional minutes. To earn a completion medal in this particular 5K race, the runner must complete the race within 25 minutes.
Approximately, what percent of competitive male runners in the 15-18 age bracket typically do not earn a completion medal at this race?
- (A) Approximately 0%
- (B) 10.56%
- (C) 14.08%
- (D) 28.93%
- (E) 35.03%
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