A mattress store sell only Queen, king and twin size mattresses.Sales records at the store indicate that one -fourth as many Queen -size mattresses are sold as king and twin-size mattresses combined.Records also indicate that three times as many king-size mattresses are sold as twin-size mattresses . Calculate the probability that the next mattress sold is either king or Queen-size .?
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 mattress store sell only Queen, king and twin size mattresses.Sales records at the store indicate that one -fourth as many Queen -size mattresses are sold as king and twin-size mattresses combined.Records also indicate that three times as many king-size mattresses are sold as twin-size mattresses .
Calculate the probability that the next mattress sold is either king or Queen-size .?
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