THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING

question 22

Essay

THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING:
A small grocery store has two checkout lines available to its customers: a regular checkout line and an express checkout line.Customers with 5 or fewer items are expected to use the express line.Let X and Y be the number of customers in the regular checkout line and the express checkout line,respectively.Note that these numbers include the customers being served,if any.The joint probability distribution is given in the table below.

-Find the marginal distribution of Y.What does this distribution tell you?

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Definitions:

Dependent Variable

A variable in experimental and observational research that is assumed to depend on or be caused by another variable (the independent variable).

Nominal

Pertaining to data classified into categories without a natural order or rank.

Beliefs Regarding Same Sex Marriage

Opinions or convictions individuals hold about the legality and acceptability of marriage between individuals of the same sex.

Independent Variable

A variable that is manipulated to determine its effects on a dependent variable in an experimental setting.