An exclusive raffle is being held where only 7 tickets are available. The raffle is free to enter. If you choose to play, you could win $7 or lose $3. Three tickets are winning tickets and you will win $7 if your ticket is drawn. Four tickets are losing tickets where you must pay $3 if your ticket is drawn. What is the expected return if you enter the raffle?
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.
An exclusive raffle is being held where only 7 tickets are available. The raffle is free to enter. If you choose to play, you could win $7 or lose $3. Three tickets are winning tickets and you will win $7 if your ticket is drawn. Four tickets are losing tickets where you must pay $3 if your ticket is drawn. What is the expected return if you enter the raffle?
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