A class has 36 students. Each student studies either Math or Computer or both. 20 students study Math and 25 students study Computer. A student is selected at random, what is the probability that the student studies (a) Both subjects? (b) Computer only?
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 class has 36 students. Each student studies either Math or Computer or both. 20 students study Math and 25 students study Computer. A student is selected at random, what is the
(a) Both subjects?
(b) Computer only?
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