A bag holds red, blue and green marbles. One marble is picked at random. What is the probability it is red?

Answer and explanation

Correct answer: A. 1/2

  1. Step 1: Determine the total number of marbles contained in the bag: .
  2. Step 2: Identify the number of favorable outcomes, which corresponds to selecting a red marble: .
  3. Step 3: Calculate the probability as favorable outcomes divided by total outcomes: .
Answer
1/2.

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