A bingo machine has balls numbered from 1 to 75, and uses a physical process to randomly select 1 of those balls at a time. Each ball is equally likely to be selected. In this machine, for the first ball selected, what is P ("number on the ball is below 20")
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 bingo machine has balls numbered from 1 to 75, and uses a physical process to randomly select 1 of those balls at a time. Each ball is equally likely to be selected. In this machine, for the first ball selected, what is P ("number on the ball is below 20")
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