Multiple choice

If an even face has turned up when a die is tossed, then probability that it is face $2$ or face $4$ is

  1. $0.25$
  2. $0.67$
  3. $0.75$
  4. $0.9$
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B Correct answer
Explanation

The sample space for an even face is {2, 4, 6}, which has 3 outcomes. The event of getting face 2 or 4 has 2 outcomes. The probability is 2/3, which is approximately 0.67.

AI explanation

This requires calculating the conditional probability of the die landing on 2 or 4, given that an even face (2, 4, or 6) has occurred. The favorable outcomes are 2 and 4, making 2 favorable possibilities out of the 3 total even possibilities. Dividing 2 by 3 results in 0.67.

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