Question:

If E and E are the events of occurrence and non-occurrence of a random experiment respectively and P(E) = 0-05, then P(E) =

Updated On: Apr 5, 2025
  • 0-05
  • 0.5
  • 0.9
  • 0.95
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The Correct Option is D

Solution and Explanation

We are tasked with finding \( P(\overline{E}) \), the probability of the non-occurrence of an event \( E \), given that \( P(E) = 0.05 \).

Step 1: Use the complement rule.

The sum of the probabilities of an event and its complement is always 1:

\[ P(E) + P(\overline{E}) = 1. \]

Step 2: Substitute \( P(E) = 0.05 \) into the equation.

\[ 0.05 + P(\overline{E}) = 1. \]

Step 3: Solve for \( P(\overline{E}) \).

\[ P(\overline{E}) = 1 - 0.05 = 0.95. \]

Final Answer: The probability of the non-occurrence of the event is \( \mathbf{0.95} \), which corresponds to option \( \mathbf{(4)} \).

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