Question:

If \( P(E) = 0.4 \), then the value of \( P(E') \) is:

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The probability of the complement of an event is given by: \[ P(E') = 1 - P(E). \]
Updated On: Oct 27, 2025
  • \( 0.96 \)
  • \( 0.6 \)
  • \( 1 \)
  • \( 0.06 \)
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The Correct Option is B

Solution and Explanation

Since \( P(E) + P(E') = 1 \), we get: \[ P(E') = 1 - P(E) = 1 - 0.4 = 0.6. \]
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