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On any particular Saturday evening, the probability that Jenna will go to the movies and go for coffee is 1/2. The probability that she will go to the movies, given that she has gone for coffee, is 3/7. What is the probability that Jenna will go for coffee on any particular Saturday?

7/6

3/14

19/21

4/21

hayleeirene  Apr 28, 2018
edited by hayleeirene  Apr 28, 2018
 #1
avatar+3270 
+2

1/2*3/7=3/14

smileysmiley

tertre  Apr 28, 2018

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