A certain baseball player hits a home run in 3 of his at-bats. Consider his at-bats as
independent events. How many home runs do we expect the baseball player to hit in 600
at-bats?
A) 3 B) 18 C) 17.46 D) 603
Q. 2A certain baseball player hits a home run in 3 of his at-bats. Consider his at-bats as
independent events. Find the probability that this baseball player hits at most 10 home runs in
600 at-bats?
A) 0.9633 B) 0.03 C) 0.97 D) 0.0367
Q. 3A certain baseball player hits a home run in 7 of his at-bats. Consider his at-bats as
independent events. Find the probability that this baseball player hits more than 42 home runs in
800 at-bats?
A) 0.93 B) 0.9693 C) 0.0307 D) 0.07
Q. 4Transportation officials tell us that 90 of drivers wear seat belts while driving. What is the
probability that between 525 and 530 drivers in a sample of 600 drivers wear seat belts?
A) 0.0174 B) 0.0985 C) 0.9015 D) 0.0811
Q. 5Transportation officials tell us that 80 of drivers wear seat belts while driving. What is the
probability of observing 518 or fewer drivers wearing seat belts in a sample of 700 drivers?
A) 0.2 B) approximately 1
C) approximately 0 D) 0.8
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