Scores on a Test Are Normally Distributed with a Mean

question 125

Multiple Choice

Scores on a test are normally distributed with a mean of 68.2 and a standard deviation of 10.4. Estimate the probability that among 75 randomly selected students, at least 20 of them score greater than 78.

• A)0.0239
• B)0.0166
• C)0.0113
• D)0.1736

---

Definitions:

Debt Financing

The raising of funds through borrowing, typically by issuing bonds or taking out loans, to finance an organization's operations or projects.

Capital

The money and property that a business needs to operate.

Corporation by Estoppel

A legal doctrine that prevents a person from denying the corporate existence of an entity when they have treated it as a corporation.