Calculate the probability that exactly eight of the customers have purchased any one of the two products. Calculate the probability that at least one of the customers purchased at least one of the two products.
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 salesman has been determined that (7 %) of customers purchased product A and (13 %) of customers purchased product B. In addition, it has been observed that the two products are independent from one another. If the salesman selects twelve customers at random:
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Calculate the
probability that exactly eight of the customers have purchased any one of the two products. -
Calculate the probability that at least one of the customers purchased at least one of the two products.
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