Bykea Service has 26 drivers of motor bikes, used mainly for transportation service available near Iqra University. Suppose 10 of the 26 drivers have COVID-19 symptoms. Five drivers were selected at random to be tested for COVID-19. What is the probability that at most 4 of the drivers are infected?

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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.