SOLUTION: if the probability of getting caught copying someone else’s exam is 0.2. find the probability that (i) he will caught in four attempts, (ii) he will not caught in four attempts

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Question 1183599: if the probability of getting caught copying someone else’s exam is 0.2. find the
probability that (i) he will caught in four attempts, (ii) he will not caught in four attempts, (iii) he
will caught at third attempt given that he will caught after second attempt
Answer by robertb(5830) About Me  (Show Source):
You can put this solution on YOUR website!
(i) 0.2%5E4+=+1%2F625+=+highlight%280.0016%29

(ii) 0.8%5E4+=+256%2F526+=+highlight%280.4096%29

(iii) P(caught at 3rd attempt|caught at 2nd attempt) = P(caught at 3rd attempt AND caught at 2nd attempt)/P(caught at 2nd attempt) =