SOA Exam P Sample Question 429
Study guide: Exam P-1
A baseball-pitching machine is used for batting practice. The machine is out of adjustment such that every pitched baseball arrives at the batter's box between 0 and 2 feet higher than intended.
Let X equal the difference, in feet, between the actual arrival height and the intended arrival height of a pitched baseball.
The density of X, f(x), is proportional to x.
Calculate the 80th percentile for X.
- A)
0.40 - B)
0.89 - C)
1.26 - D)
1.60 - E)
1.79
Answer this question and see the worked solution