Customers purchase a particular make of automobile with a variety of options. The probability mass function of the number of options selected is shown below. Round your answers to four decimal places (e.g. 98.7654). (A) What is the expected number of options chosen? (B) What is the variance?
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.
Customers purchase a particular make of automobile with a variety of options. The probability mass
(A) What is the expected number of options chosen?
(B) What is the variance?
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