Exhibit 12.5 The Following Questions Use the Information Below

question 65

Essay

Exhibit 12.5
The following questions use the information below.
The owner of Sal's Italian Restaurant wants to study the growth of his business using simulation. He is interested in simulating the number of customers and the amount ordered by customers each month. He currently serves 1000 customers per month and feels this can vary uniformly between a decrease of as much as 5% and an increase of up to 9%. The bill for each customer is a normally distributed random variable with a mean of $20 and a standard deviation of $5. The average order has been increasing steadily over the years and the owner expects the mean order will increase by 2% per month. You have created the following spreadsheet to simulate the problem.
-What is the expected number of phone calls per hour based on the following distribution on the number of phone calls per hour?

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Definitions:

Types of Reliability

Different ways of measuring the consistency of a test or research findings, including test-retest, inter-rater, and internal consistency reliability.

Diagnostic and Statistical Manual of Mental Disorders

A manual published by the American Psychiatric Association that provides a comprehensive classification and criteria for diagnosing mental disorders.

Social and Occupational Functioning

The ability of an individual to perform effectively in social and work environments, often evaluated in psychological assessments.

Diagnostic and Statistical Manual of Mental Disorders

The authoritative guide used by healthcare professionals for diagnosing mental disorders, published by the American Psychiatric Association.