A group of five people are selected at random (Assume that a person is equally likely to be born on any day of the week.) A) what is the probability that at least two of them were born on the same day of the week? B) what is the probability that exactly two of them were born on the same day of the week?
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 group of five people are selected at random (Assume that a person is equally likely to be born on any day of the week.)
A) what is the
B) what is the probability that exactly two of them were born on the same day of the week?
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