Test 1, #7. If a person is chosen at random from those whose data is listed in the table, find the probability of getting a woman or a non-smoker. Sex Non-Smoker Regular Smoker Heavy Smoker Total Man Woman Total 135 52 192 187 21 5 213 322 73 10 405

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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.