Probability with Two-Digit Numbers by Dice

Transcript Two dice are thrown. One yellow and one white. Let y be the uppermost number on the yellow die and w be the uppermost number on the white die. I’ve drawn up a table because I know that if I drop a table, the questions will be so much easier. So I do recommend […]

Probability using a Regular Pack of 52 Cards

Transcript A! Find the probability that the card is jack. So you can see I’ve got the table here. And I always want to refer to this table. If you get used to this and you think you can answer the questions without doing the table that’s great. But for most of you I do […]

Counting Number of Cards in a Regular Pack of 52 Cards

Transcript I’m going to start off with my regular pack of 52 cards because a lot of probability questions will relate to cards. So you must know very very well on what in a pack of cards what they consist of. You can see over here I’ve got all these pictures of all the parts […]

Probabilities of Picking Correct Cases

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 […]

Probability of Regular Pack of 52 Cards.

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

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, […]

Probability Ratio using Combination

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 […]