3) The capacity of an elevator is either 20 children or 15 adults. If 12 children are currently in the elevator, how many adults can get in?

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Q: If a cube had been rolled 200 times, how many times would you expect a sum of 2 to be rolled?

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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.