Question: during a particular baseball game , the probability of a team ' s pitcher throwing a strike on each throw is 2 / 5 . what is the least number of times that the pitcher should pitch the ball that will increase the probability of getting a strike at least once to more than 50 % .
A) 3
B) 2
C) 1
D) 4
E) 5
Correct answer: B
Grade: 7 | Topic: Statistics and Probability | Difficulty: Medium | Standard: 7.SP.C.7