Solve the Problem. -A Certain City Has Approximately 2.75 Million People. a Census

question 249

Multiple Choice

Solve the problem.
-A certain city has approximately 2.75 million people. A census indicated that 450,000 people in the city were over the age of 60. If a person is selected at random from the city, what is the probability
That the person is over 60 years old? Round to 3 decimal places.

• A) 8.36
• B) 0.836
• C) 1.64
• D) 0.164

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Definitions:

Directional

Pertains to tests or hypotheses that specify the expected direction of the relationship or difference between variables.

Nondirectional

Pertaining to hypotheses or research questions that do not specify the direction of the expected relationship between variables.

F-test

A type of statistical test that compares the variances of two or more groups to find if they come from populations with equal variances.

T Test

A statistical test used to compare the means of two groups or samples to assess if they are statistically different from each other.