Question

This probability distribution shows the

typical distribution of pitches thrown to a
batter in a given "at-bat" in a baseball game.
Pitches
1
2
3
4
5
Frequency
15
20
40
15
10
Find the probability that the pitcher will
throw more than 3 pitches to a batter.
Enter your answer as a percent or a decimal.
p = [?]

Answer 1

25% or 0.25

Explanation:

P( more than 3 pitches) is the sum of number of 4 and 5 pitches/ the total number of pitches.

The total number of pitches is 100. The sum of number of 4 and 5 is 25 so the probability is

25/100=0.25