JEE Mathematics · Easy

Probability: Complement MCQ

Solve this quality-checked JEE multiple-choice question, then review the correct answer and explanation.

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ComplementEasyQuestion 270003

Question

If P(A) = 0.3, then P(A') is:
  1. A
    0.7
    Correct
  2. B
    0.3
  3. C
    1
  4. D
    0

Correct answer

0.7

Explanation

P(A') = 1 − P(A) = 1 − 0.3 = 0.7. The complement rule.