Emily has 4 black colored pens, 5 blue colored pens and 3 red colored pens. What is the probability of choosing red colored pens?
What is the maximum value that a probability can take?
Two unbiased coins are tossed. What is the probability of getting at most one head?
Two dice are thrown simultaneously. What is the probability of getting two numbers whose product is exactly square of a number?
In a simultaneous throw of three coins, what is the probability of getting a triplet?