Susan Has Been on a Bowling Team for 14 Years

Multiple Choice

Susan has been on a bowling team for 14 years.After examining all of her scores over that period of time,she finds that they follow a normal distribution.Her average score is 225,with a standard deviation of 13. Refer to Exhibit 7-3.If during a typical week Susan bowls 16 games,what is the probability that her average score is more than 230?

A) 0.0618
B) 0.3520
C) 0.6480
D) 0.9382