A bag contains five white and four red balls. Two balls are picked at random from the bag. What is the probability that they both are different color?
A). 4/9
B). 5/9
C). 7/9
D). 8/9
1. If three unbiased coins are tossed simultaneously, then the probability of exactly two heads, is
3. 6 Coins are tossed simultaneously. find the probability to get 2 hands
4. In which approach to probability the outcomes are equally likely to occur?
5. In binomial probability distribution, dependents of standard deviations must includes
7. If four balls are picked at random, what is the probability that two are green and two are blue ?
8. If C is non-random variable, the E(C) is
9. Mayank threw two dice simultaneously. What is the probability of getting a total of 7?