A Group of 59 Randomly Selected Students Have a Mean $\mu$

question 57

Multiple Choice

A group of 59 randomly selected students have a mean score of 29.5 with a standard deviation of 5.2 on a placement test. What is the 90% confidence interval for the mean score, $\mu$ , of all students taking the test?

• A) \(28.2 < \mu < 30.8\)
• B) \(28.4 < \mu < 30.6\)
• C) \(27.8 < \mu < 31.2\)
• D) \(27.9 < \mu < 31.1\)

---

Definitions:

Liquidity Analysis

An examination of a company's ability to meet its short-term obligations with its current assets.

Cash Budget

A schedule showing cash flows (receipts, disbursements, and cash balances) for a firm over a specified period.

Quick Ratios

A measure of a company's ability to meet its short-term obligations with its most liquid assets, providing insights into financial health.

Debt Management Ratios

Financial ratios that indicate the degree to which a company is financed by debt and its ability to repay it.