If the events A and B are independent, P(A)=0.4, P(B)=0.5, then P(A'∩B') is: MCQ with Answer and Explanation

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If the events A and B are independent, P(A)=0.4, P(B)=0.5, then P(A'∩B') is:

A. 0.2

B. 0.5

C. 0.3

D. 0.9

Answer: Option C

Solution (By JKSSB Mock Tests)

P(A')=0.6, P(B')=0.5, independence gives 0.6×0.5=0.3.

This question belongs to: Accountancy and Statistics Statistics

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Index numbers are generally known as:

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Correct Answer: Option D

Explanation:
Index numbers measure changes in the level of an economic phenomenon over time, earning the title 'economic barometers'.

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Correct Answer: Option A

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