A retail variety store that advertises extensively by mail circulars expect to sell with 20% probability suppose 30 prospects are randomly selected from a citywide mailing what is the probability that exactly 15 sales will result from mailings in this group of 30?
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 retail variety store that advertises extensively by mail circulars expect to sell with 20%
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