A Random Sample of Size 36 Is Taken from a Population

question 81

Multiple Choice

A random sample of size 36 is taken from a population with mean and standard deviation . Refer to Exhibit 7-5.The probability that the sample mean is between 15 and 18 is _______.

• A)0.0228
• B)0.8185
• C)0.8413
• D)0.8641

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Definitions:

Optimize Return

To make adjustments or take actions that maximize the benefits or profits gained from an investment or activity.

Dissociates

The act of separating or detaching oneself from a legal, business, or personal relationship.

Limited Liability Company

A legal entity where the owners are protected from personal liability for the debts of the company beyond their initial investment.

Agency

A legal relationship in which one party, known as the agent, is authorized to act on behalf of another, known as the principal, in dealing with third parties.