The probabilities that a student will solve Question A and Question B are 0 4 and 0 5 respectively. What is the probability that he solves at least one of the two questions?

NDA 2018 Mathematics question

The probabilities that a student will solve Question A and Question B are and respectively. What is the probability that he solves at least one of the two questions?

(A)
(B)Correct
(C)
(D)

Answer: (B)

Solution

Taking the two events as independent, $P(neither) =

See the full step-by-step solution

Create a free account to read the complete working, and practise questions like this in a timed test.

Create a free account

Question ID VK-028915