Infant mortality rate is high in regions with: MCQ with Answer and Explanation

Infant mortality rate is high in regions with:

A. Good healthcare

B. Low fertility

C. High literacy

D. Poor sanitation and malnutrition

Answer: Option D

Poor health infrastructure and nutrition lead to higher infant deaths.

This question belongs to: Accountancy and Statistics Statistics

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Question #1 Report Error

In a Poisson distribution, mean = variance. If the mean is 4, the probability of exactly 2 occurrences is:

A. e^{-4} 4^2 / 2! ≈ 0.1465

B. 0.1

C. 0.3

D. 0.2

Correct Answer: Option A

Explanation:
P(X=2) = e^{-4} × 16 / 2 = 8 e^{-4} ≈ 8×0.0183=0.1465.

This question belongs to: Accountancy and Statistics Statistics

Question #2 Report Error

For two attributes, if N=100, (A)=60, (B)=50, the maximum possible value of (AB) is:

A. 50

B. 100

C. 10

D. 60

Correct Answer: Option A

Explanation:
(AB) cannot exceed either (A) or (B); maximum is min((A),(B)) = 50.

This question belongs to: Accountancy and Statistics Statistics

Question #3 Report Error

Neonatal mortality rate is a subset of:

A. Perinatal mortality rate only

B. Maternal mortality rate

C. Crude death rate

D. Infant mortality rate

Correct Answer: Option D

Explanation:
Neonatal deaths (0-28 days) are part of infant deaths (0-1 year).

This question belongs to: Accountancy and Statistics Statistics