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The Internal Auditing Staff of a Local Manufacturing Company Performs

question 73

Multiple Choice

The internal auditing staff of a local manufacturing company performs a sample audit each quarter to estimate the proportion of accounts that are delinquent (more than 90 days overdue) .For this quarter,the auditing staff randomly selected 400 customer accounts and found that 80 of these accounts were delinquent.What is the 95 percent confidence interval for the proportion of all delinquent customer accounts at this company?

Understand the legal and ethical considerations in business communications, especially when responding to claims and criticisms online.

Recognize the role of mood (imperative, indicative) in conveying the tone in business writing and how it affects reader perception.

Understand the significance of timing and mood in responding to customer communications and the impact on customer satisfaction and retention.

Grasp the importance of personalizing messages and including specific details to enhance the effectiveness of goodwill messages.

Definitions:

Confidence Interval

A span of values, coming from sample observations, expected to include the value of a not-yet-identified population characteristic.

Degrees Of Freedom

The number of independent data points in a statistical calculation that are free to vary.

T-Distribution

A probability distribution that arises when estimating the mean of a normally distributed population in situations where the sample size is small and the standard deviation is unknown.

Student T-Distributed

Pertaining to a probability distribution that arises when estimating the mean of a normally distributed population in situations where the sample size is small and population standard deviation is unknown.