Suppose a local charity decides to raise money by raffling a quilt worth $300, a dinner for two worth $100, and 2 cds worth $20 each. A total of 2000 tickets are sold for $1 each. Find the expected payback for a person who buys a ticket in 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.
Suppose a local charity decides to raise money by raffling a quilt worth $300, a dinner for two worth $100, and 2 cds worth $20 each. A total of 2000 tickets are sold for $1 each. Find the expected payback for a person who buys a ticket in the raffle.
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