The probability is the possibility of an event happening when the probability of an event is 1, it means the event will occur for sure.
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Similar Questions
Q1
If P(A)=1, then the event A is known as
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Q2
If A is any event in a sample space, then P(¯¯¯¯A)=1+P(A)
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Q3
Assertion :If A, B, C are three events such that P(A)=14, P(B)=16 & P(C)=23 then events A, B, C are mutually exclusive. Reason: If P(A∪B∪C)=P(A)+P(B)+P(C) then A, B, C are mutually exclusive events.
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Q4
A and B are two events such that P(A∪B)=56 and P(A∩B)=13, if P(Bc)=12, then events are
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Q5
If A,B be two events such that P(A∪B)=56, P(A∩B)=13 and P(B′)=12, then events A,B are