1)In a contest, Chike, Ada, and Obi are asked to solve a problem. The probabilities...

1)In a contest, Chike, Ada, and Obi are asked to solve a problem. The probabilities that they solve the problem correctly are 1/5,2/3, and 2/5 respectively. Calculate the probability that a) None of them solves the problem correctly.

b) at least one of them solves the problem correctly

c) only one of them solves the problem.

2) cards are drawn from a pack of 52 play cards at a time. Find the probability of drawing without replacement a) Queens b) two Queens.

Note: Use a tree diagram in the above problems.?

2 Answers Available
Asked by Ubajaka Francis on 22nd May, 2020