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Example There are five matches on each weekend of a basketball season. Ben takes part in a competition in which he earns one point if he picks more than half of the winning teams for a weekend, and zero points otherwise. The probability that Ben correctly picks the team that wins any given match is […]
Question 1 A card is selected from a regular pack of 52 cards. Find the probability that it is neither black nor a picture card. There are 26 black cards, 6 black picture cards (J, Q, K) and 6 red picture cards. 6 black picture cards are included in 26 black cards. So the number […]
Probability with Replacement is used for questions where the outcomes are returned back to the sample space again. Which means that once the item is selected, then it is replaced back to the sample space, so the number of elements of the sample space remains unchanged. A jar contains five balls numbered 1, 2, 3, […]
Counting Techniques for Probability Ratio using Combination The probability ratio of an event is the likelihood of the chance that the event will occur as a result of a random experiment, and it can be found using the combination. When the number of possible outcomes of a random experiment is infinite, the enumeration or counting […]