We use cookies to personalise content and advertisements and to analyse access to our website. Furthermore, our partners for online advertising receive pseudonymised information about your use of our website. cookie policy and privacy policy.
 
+0  
 
+1
175
1
avatar+196 

If the famous baseball player for the San Francisco Midgets, Larry Ponds, has a  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.

 Aug 13, 2018
 #1
avatar+196 
+1

The answer is 12/25, because he can either be walked on the first appearence or the second. In both of those cases, there is a 2/5 probability that he is walked, and then a 3/5 probability that he is not walked. So, the final answer is (3/5*2/5)+(3/5*2/5) = 12/25.

 Aug 13, 2018

12 Online Users

avatar