SOLUTION: A director of selection committee is biased so that he selects his relatives for a job 2 times as likely as others.If there are 2 posts for a job, find probability of selection of

Algebra ->  Permutations -> SOLUTION: A director of selection committee is biased so that he selects his relatives for a job 2 times as likely as others.If there are 2 posts for a job, find probability of selection of       Log On


   



Question 930609: A director of selection committee is biased so that he selects his relatives for a job 2 times as likely as others.If there are 2 posts for a job, find probability of selection of his relatives.
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
p(relative) = 2/3, P(not a relative) = 1/3 1-2%2F3
selects 2
....
P(both relatives) = %282%2F3%29%282%2F3%29 = 4/9