NRR = 0.8 means: MCQ with Answer and Explanation

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NRR = 0.8 means:

A. Population is stable

B. Population is doubling

C. Each generation is not replacing itself

D. High growth

Answer: Option C

Solution (By JKSSB Mock Tests)

NRR < 1 indicates population decline in the long run.

This question belongs to: Accountancy and Statistics Statistics

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Question #1

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The sex ratio in India is defined as:

A. Males per 1000 females

B. Females per 1000 males

C. Females per 1000 population

D. Males per 1000 population

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Correct Answer: Option B

Explanation:
Sex ratio = (number of females / number of males) × 1000.

This question belongs to: Accountancy and Statistics Statistics

Question #2

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In a life table, the radix (l₀) is usually:

A. 10,000

B. 1000

C. 100,000

D. 1,000,000

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Correct Answer: Option C

Explanation:
Typically, l₀ = 100,000, representing the hypothetical birth cohort.

This question belongs to: Accountancy and Statistics Statistics

Question #3

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If events A and B are independent, which of the following is true regarding their complements A' and B'?

A. They are mutually exclusive

B. They are dependent

C. They are also independent

D. They are completely associated

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Correct Answer: Option C

Explanation:
A fundamental theorem of probability states that if A and B are independent, their complements A' and B' are also independent.

This question belongs to: Accountancy and Statistics Statistics

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