If P(A)=0.7, P(B)=0.6, and P(A∪B)=0.9, then P(A∩B) is: MCQ with Answer and Explanation

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If P(A)=0.7, P(B)=0.6, and P(A∪B)=0.9, then P(A∩B) is:

A. 0.3

B. 0.6

C. 0.42

D. 0.4

Answer: Option D

Solution (By JKSSB Mock Tests)

P(A∩B) = P(A)+P(B)-P(A∪B) = 0.7+0.6-0.9 = 0.4.

This question belongs to: Accountancy and Statistics Statistics

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If a fair coin is tossed three times, the probability of exactly two heads is:

A. 1/2

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Correct Answer: Option C

Explanation:
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The value of a random variable that occurs with the highest frequency in a probability distribution is called the:

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