Suppose We Want to Test the Claim That Less Than $1 / 2$

question 45

Multiple Choice

Suppose we want to test the claim that less than $1 / 2$ of Americans are in favor of raising the voting age to 21. Is the hypothesis test left-tailed, right-tailed, or two-tailed?

• A)Left-tailed
• B)Right-tailed
• C)Two-tailed

---

Definitions:

Intelligence

The ability to learn from experience, solve problems, and use knowledge to adapt to new situations.

Partially Heritable

Traits or characteristics that are influenced by both genetic factors and environmental conditions.

Heritability Estimates

Quantitative measures of the extent to which genetic factors contribute to individual differences in a trait or behavior within a given population.

Intellectual Differences

Variations in cognitive abilities and processing among individuals.