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  • If P(A) denotes the probability of an event A, then (A) P(A) < 0 (B) P(A) > 1 (C) 0 ≤ P(A) ≤ 1 (D) –1 ≤ P(A) ≤ 1

If P(A) denotes the probability of an event A, then
(A) P(A) < 0         (B) P(A) > 1       (C) 0 ≤ P(A) ≤ 1          (D) –1 ≤ P(A) ≤ 1

Answers (1)

Answer.          [C]
Solution.      Probability; probability means possibility. It is a branch of mathematics that deals with the occurrence of a random event. The value is expressed from zero to one.
(A) P(A) < 0
It is not represent the probability of event A because probability of an event can never be less than 0.
(B) P(A) > 1
It is not represent the probability of event A because probability of an event can never be greater than 1.
(C) 0 ≤ P(A) ≤ 1
It represent probability of event A because probability of an event is always lies from 0 to 1.
(D) –1 ≤ P(A) ≤ 1
It is not represent the probability of event A because probability of an event can never be equal to -1.

Hence option (C) is correct .

 

 

 

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