It Is Believed That Sales of Books at a Local

question 26

Essay

It is believed that sales of books at a local bookstore follow a Poisson distribution. Below you are given information on the number of books sold during a sample of 15-minute intervals.
a. What is the average number of books sold during a 15-minute period?
b. Using the Poisson distribution, find the probability associated with the number of books sold.c. Generate the expected number of books sold using a Poisson probability table.d. State the null and alternative hypotheses.
e. Calculate the test statistic.f. Use the p-value approach to test the hypotheses. What is your conclusion? Let  = .05.

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Definitions:

Scientific Process

A systematic methodology involving observation, experimentation, and analysis to acquire knowledge and understand phenomena.

Dissonance Theory

A concept that describes the discomfort felt when a person holds two or more conflicting beliefs, values, or attitudes, prompting a motivation to reduce the dissonance.

Self-Concept

The collection of beliefs and perceptions individuals have about themselves, encompassing aspects like self-image and self-esteem.

Theory of Planned Behavior

A psychological theory that predicts an individual's intention to engage in a behavior at a specific time and place, considering attitudes, subjective norms, and perceived behavioral control.