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Question

Assertion :Statement-1 : If A and B be mutually exclusive events in a sample space such that P(A) =0.3andP(B)=0.6, then p(¯A¯B)=0.28 Reason: Statement-2 : If A and B are mutually exclusive events then P(AB)=0

A
Statement-1 is true, statement-2 is true ;
statement-2 is not a correct explanation for
statement-1
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B
Statement-1 is true, statement-2 is false
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C
Statement-1 is false, statement-2 is true
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D
Statement-1 is true, statement-2 is true ;
statement-1 is a correct explanation for
statement-1
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Solution

The correct option is C Statement-1 is false, statement-2 is true
Since A and B be mutually exclusive events in a sample space P(AB)=0
P(A)=0.3 P(B)=0.6
=0.3andP(B)=0.6
P(_A_B)= 1-P(AUB)
= 1- (P(A)+P(B)-P(AB))
=1- (0.3+0.6-0)
=0.1
If A and B are mutually exclusive events then P(AB) is always 0


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