if from each of the three boxes containing 3 white and 1 black, 2 white and 2 black and 1 white and 3 black balls, one ball is drawn at random, then the probability that 2 white and 1 black ball will
A). 13/32
B). 1/4
C). 1/32
D). 3/16
2. Three fair coins are tossed simultaneously. Find the probability of getting one head.
3. An unbiased cubic die is thrown.What is the probabiltiy of getting a multiple of 3 or 4?
6. What if the probability of getting a king or a queen in a single drawn from a pack of 52 cards ?
10. In a simultaneous throw of two dice, what is the probability of getting a total of (7)?