only 10th , 11th and 12th grade students attend a high school the ratio of 10th graders to the schools total population is 86:255, and the ratio of 11th graders to the schools total population is 18:51 . if 1 student is chosen at random from the entire school , which grade is that student most likely to be in. ?

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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.