In most human populations, the age group with the highest age-specific fertility rate is typically: MCQ with Answer and Explanation

In most human populations, the age group with the highest age-specific fertility rate is typically:

A. 40-44

B. 30-34

C. 15-19

D. 20-24

Answer: Option D

Fertility peaks in the 20-24 or 25-29 age range; commonly 20-24 is the highest in many populations.

This question belongs to: Accountancy and Statistics Statistics

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Question #1 Report Error

Two events A and B are such that P(A)=0.5, P(B)=0.3, P(A∩B)=0.1. They are:

A. Neither mutually exclusive nor independent

B. Mutually exclusive

C. Both mutually exclusive and independent

D. Independent

Correct Answer: Option A

Explanation:
P(A∩B)≠0 ⇒ not mutually exclusive. P(A)P(B)=0.15 ≠ 0.1 ⇒ not independent.

This question belongs to: Accountancy and Statistics Statistics

Question #2 Report Error

Two dice are rolled. Probability that the sum is 7 or 11 is:

A. 5/36

B. 7/36

C. 2/9

D. 1/6

Correct Answer: Option C

Explanation:
Ways for sum 7: 6; for sum 11: 2. Total favorable = 8. Probability = 8/36 = 2/9.

This question belongs to: Accountancy and Statistics Statistics

Question #3 Report Error

Which of the following is a measure of dispersion?

A. Median

B. Geometric mean

C. Standard deviation

D. Mode

Correct Answer: Option C

Explanation:
Standard deviation measures spread.

This question belongs to: Accountancy and Statistics Statistics