Three students from a 15 student class will be selected to attend a meeting. Six of the students are female. (a) What is the probability that all three of the students chosen to attend the meeting are female? (b) What is the probability that not all three of the students chosen to attend the meeting are female?

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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.