Question

Tournament scores for 92 golfers are distributed normally. Two

statistics from this tournament are given below.

mean score 74
standard deviation 2.5


What is the approximate percentage of golfers that scored
between 69 and 79?
A. 27%
B. 68%
C. 74%
D. 95%

Answer 1

Answer: D. 95%

Step-by-step explanation: If the difference of the scores given is 5 above and below the mean, that represents 2 standard deviations.

In normal distribution, 2 standard deviations above and below the mean represent 95% of all the inputs.