The Manager of a Grocery Store Believes That the Number

question 27

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. $\begin{array}{|l|r|r|r|r|r|r|}\hline \begin{array}{l}\text { People waiting in express } \\\text { check out lane }\end{array} & 0 & 1 & 2 & 3 & 4 & \geq 5 \\\hline \text { Observed frequency } & 35 & 41 & 22 & 14 & 3 & 2\\\hline \end{array}$

The observed value of chi-square for this goodness-of-fit test is closest to_______.

• A)0.99
• B)2.33
• C)4.54
• D)9.77
• E)13.05

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Definitions:

Warranty Period

The duration during which a manufacturer or vendor is obligated to repair or replace a product if it fails to meet specified criteria.

Journal Entry

A record in accounting that shows the financial transactions affecting the accounts of a business.

Average Cost

Average Cost is a cost accounting method that calculates the cost of goods sold and ending inventory value by averaging the total cost of goods available for sale over the total units.

Subscription Sales

Income generated from selling access to a product or service over a period of time rather than as a single purchase.