Luigi's Restaurant offers a​ "buy one dinner get the other dinner for half price" sale. The​ "half price" refers to the​ lower-priced dinner. A customer orders a seafood dinner with a regular price of $21.00, and a chicken dinner with a regular price of $14.00. ​(a) What was the overall markdown value at which the dinners were​ sold? ​(b) What was the overall markdown rate at which the dinners were​ sold?

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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.