A group of 15 foreign students consists of 3 Japanese, 7 Thai and 5 Korean students. Two students are to be selected at random to participate in a game. Calculate: 1) the probability that both are Korean 2) the probability that one is Japanese and one is Thai
Contingency Table
A contingency table can be defined as the visual representation of the relationship between two or more categorical variables that can be evaluated and registered. It is a categorical version of the scatterplot, which is used to investigate the linear relationship between two variables. A contingency table is indeed a type of frequency distribution table that displays two variables at the same time.
Binomial Distribution
Binomial is an algebraic expression of the sum or the difference of two terms. Before knowing about binomial distribution, we must know about the binomial theorem.
A group of 15 foreign students consists of 3 Japanese, 7 Thai and 5 Korean students. Two students are to be selected at random to participate in a game. Calculate:
1) the
2) the probability that one is Japanese and one is Thai
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