In suffling a pack of card 3 are accidentally dropped then the chance that missing card should be of different suit is ?
A). 169/425
B). 261/425
C). 104/425
D). None of these
1. Three unbiased coins are tossed. What is the probability of getting at most two heads?
3. The mean of binomial distribution is
5. If three caps are picked at random, what is the probability that two are red and one is green ?
9. Let A and B be independent events with P (A) = 0.7 and P(B) = 0.7. Find P(A n B)?
10. If four coins are tossed, the probability of getting two heads and two tails is -.