Which Is a Valid Null Hypothesis

question 107

Multiple Choice

Which is a valid null hypothesis?

• A)H0: μ ≠ 18
• B)H0: μ = 18
• C)H0: μ > 18
• D)H0: μ < 18

---

Definitions:

Gallium Arsenide

A compound of gallium and arsenic that is used in semiconductor devices, including integrated circuits and photovoltaic cells.

Monopoly

A market structure characterized by a single seller, offering a unique product or service without close substitutes, leading to control over pricing.

Mutual Mistake

A legal doctrine where both parties entering into a contract have an incorrect belief about an important fact, potentially rendering the contract voidable.

Unilateral Mistake

A legal concept wherein one party to a contract is mistaken about a fundamental fact or term of the agreement.