A Sample of 225 Elements from a Population with a Standard

question 36

Multiple Choice

A sample of 225 elements from a population with a standard deviation of 75 is selected.The sample mean is 180.The 95% confidence interval for μ is

• A) 105 to 225.
• B) 175 to 185.
• C) 171.78 to 188.22.
• D) 170.2 to 189.8.

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Definitions:

Cognitive Skills

Mental abilities that include reasoning, problem solving, memory, perception, and processing information to understand and interact with the world.

Propositions

Expressions or claims that convey a decision or viewpoint.

Categorical Syllogism

A form of deductive reasoning consisting of three parts: a major premise, a minor premise, and a conclusion, each of which may be an assertion or a denial.

Major Term

In syllogistic logic, the predicate of the conclusion, which appears in one of the premises.