The Manager of a Grocery Store Believes That the Number

question 37

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 appropriate decision for this goodness of fit test is _______.

• A)do not reject the null hypothesis that the observed distribution is Poisson
• B)reject the null hypothesis that the observed distribution is not the Poisson
• C)do nothing
• D)do not reject the null hypothesis that the observed distribution is not Poisson
• E)reject the null hypothesis that the observed distribution is Poisson

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Definitions:

Sympathetic Nervous System

Part of the autonomic nervous system that prepares the body for physical activity by increasing heart rate and blood flow, among other responses.

Parasympathetic Nervous System

Part of the autonomic nervous system responsible for conserving energy and relaxing the body by slowing the heart rate and increasing intestinal and glandular activity.

Somatic Nervous System

Part of the peripheral nervous system that governs voluntary movements and transmits sensory and motor information to and from the central nervous system.

Central Nervous System

The system of neural tissue responsible for regulating bodily actions, consisting of both the brain and the spinal cord.