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If the famous baseball player for the San Francisco Midgets, Larry Ponds, has a 1/4 chance of earning a walk on each plate appearance, what is the probability that he will earn a walk exactly once in his next two plate appearances? Express your answer as a common fraction.

 Dec 14, 2020
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(1/4)   = probability of a walk      (3/4)   = probability of no walk

 

There are two appearances.....choose either one.....and we  have that

 

C (2,1)  (1/4) (3/4)   =   3 / 8

 

 

cool cool cool

 Dec 14, 2020

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