Overview
I'm working on a mathematics question and need an explanation and answer to help me learn.
- Two friends Harish and Kalyan appeared for an exam. Let A be the event that Harish is selected and B is the event that Kalyan is selected. The probability of A is 2/5 and that of B is 3/7. Find the probability that both of them are selected.
- A card is drawn from a well shuffled pack of 52 cards. What is the probability of getting queen or club card?