Assertion (A):- A,B are mutually exclusive ⇒P(A)≤P(¯B)
Reason (R):- A,B are mutually exclusive ⇒P(A)+P(B)≤1
A
Both Assertion and Reason are true and Reason is the correct explanation of Assertion
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B
Both Assertion and Reason are true and Reason is not the correct explanation of Assertion
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C
Assertion is true but Reason is false
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D
Assertion is false but Reason is true
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Solution
The correct option is A Both Assertion and Reason are true and Reason is the correct explanation of Assertion Let the space be consists of only two sets A and B. Then P(A)≤P(¯B) ⇒P(A)≤1−P(B) ⇒P(A)+P(B)≤1 Hence both the statements are correct and Reason is the correct explanation of Assertion.