SOLUTION: For married couples, the probability that the husband passed his driving test is 7/10 , and the probability that the wife passed her driving test is 1/2. the probability that the h

Algebra ->  Probability-and-statistics -> SOLUTION: For married couples, the probability that the husband passed his driving test is 7/10 , and the probability that the wife passed her driving test is 1/2. the probability that the h      Log On


   

Question 199497: For married couples, the probability that the husband passed his driving test is 7/10 , and the probability that the wife passed her driving test is 1/2. the probability that the husband passed the test given that the wife has passed the test is 14/15. for a randomly chosen maried couple, find the probability that :
a) husband passed the test given that the wife did not pass the test
b) only one of them passed the driving test
Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
A) 7/10x1/2=7/20
B) 1/15