SOLUTION: A high school baseball player has a 0.272 batting average. In one game, he gets 5 at bats. What is the probability he will get at least 2 hits in the game? Round your answer to 3 d

Question 1147246: A high school baseball player has a 0.272 batting average. In one game, he gets 5 at bats. What is the probability he will get at least 2 hits in the game? Round your answer to 3 decimal places.

Answer by greenestamps(13200) (Show Source): You can put this solution on YOUR website!

Straightforward binomial probability calculations -- although very cumbersome.

At least 2 hits in 5 at bats means NOT 0 or 1 hits. So

1 - ((P(0 hits)+P(1 hit))

A good scientific calculator will do all the ugly computations for you.

On the TI-83, binomcdf(a,b,c) will calculate the cumulative probability of AT MOST c successes in a trials if the probability of success on each trial is b.

To find binomcdf, press 2nd-VARS (DISTR) and scroll down to A:binomcdf

Again, since you want the probability of AT LEAST 2 hits, you want to calculate 1 minus the probability of AT MOST 1 hit:

1 - binomcdf(5,.272,1)
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