You are the webmaster for your firm's website. From your records, you know that the probability that a visitor will buy something from your firm is 0.25. In one day, the number of visitors is 952. If the visitors' traffic is more than the expected for the day, what is the probability that at least 5 more than the expected visitors will buy something from the firm? Answer:

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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.