# A man can commute either by train or by bus. He always goes to work on the train in the morning, he comes home on the train or on the bus in the afternoon. During a total of x working days, the man commuted by the bus 8 times, and commuted by train 26 times. Find x.

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 man can commute either by train or by bus. He always goes to work on the train in the morning, he comes home on the train or on the bus in the afternoon. During a total of x working days, the man commuted by the bus 8 times, and commuted by train 26 times. Find x.

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