Question

Tournament scores for 92 golfers are distributed normally. Two statistics from this tournament are given below.

Mean: 74

Standard Deviation: 2.5

Refer to the given golf tournament statistics.


What is the approximate percentage of golfers that scored higher than 79?

A. 2.5%

B. 5%

C. 16%

D. 23.5%

Answer 1

The correct answer is: A. 2.5%

Explanation:

79 is two standard deviations above the mean.

In normally distributed samples, the 68-95-99.7 rule states that only 2.5% of the measures are two standard deviations above the mean.

So

What is the approximate percentage of golfers that scored higher than 79?

The correct answer is: A. 2.5%