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A mathematical concept that measures likelihood of a specific event happening, expressed as a number between 0 & 1, where 0 means impossible & 1 means certain.

Don't let a lack of preparation stand in the way of your success. Be fully equipped to tackle any Probability interview question, from technical knowledge to critical thinking.

1. Given that a die is rolled twice and the sum of the numbers is noted to be 6, what is the conditional probability that the number 4 has occurred at least once?

2. A and B are playing a game where each player flips all of their coins. A has n+1 coins, and B has n coins. What is the probability that A will have more heads than B?

3. A discount coupon is given to 2 riders. The probability of using a coupon is P. Given that at least one of them uses a coupon, what is the probability that both riders use the coupons?