The Manager of a Grocery Store Believes That the Number

question 56

Multiple Choice

The manager of a grocery store believes that the number of people waiting in the express check out lane follows a Poisson distribution.While watching the lane at random times throughout the day and week, she collects the following information. $\begin{array}{|l|r|r|r|r|r|r|}\hline \begin{array}{l}\text { People waiting in express } \\\text { check out lane }\end{array} & 0 & 1 & 2 & 3 & 4 & \geq 5 \\\hline \text { Observed frequency } & 35 & 41 & 22 & 14 & 3 & 2\\\hline \end{array}$
Using $\alpha$ =0.10, the critical value of chi-square for this goodness of fit test is _______.

• A)9.49
• B)7.81
• C)7.78
• D)10.28
• E)11.41

---

Definitions:

Work Environments

Work environments encompass the physical and psychological conditions under which employees work, including the workspace, culture, and occupational health and safety standards.

Job Expansion

A strategy employed by organizations to increase the number and variety of tasks that an employee performs.

Labour Cost

Represents the total expense incurred by employers for the wages, benefits, and taxes associated with their workforce.

Extra Workers

Employees hired in addition to the regular workforce to handle additional demand, seasonal peaks, or special projects.