Suppose that thirty-two students signed up for classes during an orientation session. If exactly twenty of them signed up for Chemistry and exactly sixteen of them signed up for English, how many of them signed up for both Chemistry and English?
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.
7.) Suppose that thirty-two students signed up for classes during an orientation session. If exactly twenty of them signed up for Chemistry and exactly sixteen of them signed up for English, how many of them signed up for both Chemistry and English?
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