If P(A) = 2/3 and P(B) = 1/2 and A, B are independent, then P(A∩B) is: MCQ with Answer and Explanation

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If P(A) = 2/3 and P(B) = 1/2 and A, B are independent, then P(A∩B) is:

A. 1/6

B. 2/3

C. 1/3

D. 1/2

Answer: Option C

Solution (By JKSSB Mock Tests)

2/3 × 1/2 = 1/3.

This question belongs to: Accountancy and Statistics Statistics

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Question #1

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Life expectancy at birth is computed using:

A. Life table

B. Census only

C. Sample survey

D. Birth registration

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Correct Answer: Option A

Explanation:
Life table synthesizes age-specific mortality rates to compute life expectancy.

This question belongs to: Accountancy and Statistics Statistics

Question #2

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The horizontal axis of a histogram represents:

A. Class marks

B. Cumulative frequencies

C. Frequencies

D. Class boundaries

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Correct Answer: Option D

Explanation:
In a histogram, the x-axis shows the continuous class boundaries (or limits).

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Question #3

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In a 2×2 contingency table, if ad > bc, then:

A. A and B are negatively associated

B. A and B are positively associated

C. Data are inconsistent

D. A and B are independent

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Correct Answer: Option B

Explanation:
ad > bc indicates positive association.

This question belongs to: Accountancy and Statistics Statistics

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