In a Study of Radio Listening Habits, a Station Owner

question 57

Short Answer

In a study of radio listening habits, a station owner would like to estimate the average number of hours that teenagers spend listening each day. If it is reasonable to assume that = 1.3 hours, how large a sample size is needed to be 90% confident that the sample mean is off by at most 30 minutes?
______________

---

Definitions:

Accounts Receivable

Receivables from clients for goods or services a company has provided but has not yet received payment for.

Managing Collections

The process of overseeing and ensuring the timely collection of accounts receivable to maintain a company's cash flow.

Petty Cash Fund

A little sum of money maintained readily available for covering small costs instantly.

General Journal Entry

A basic accounting record where financial transactions are initially recorded.