The contingency table below shows the results of a survey of video viewing habits by age   18-34 mobile/laptop  39 tv screen     24 35-54 mobile/laptop  14 tv screen  14 55+ mobile/laptop 2 tv screen  7   d. percentage of viewers given they are 18-34 who prefer videos on a mobile or laptop device e. percentage of viewers who are 35-54 or prefer videos on a mobile or laptop device

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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.