Mathematics ACT Aspire Practice Test 2025 – Complete Study Resource

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What is the probability of randomly picking a red marble from a bag containing 2 red and 3 blue marbles?

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To determine the probability of randomly picking a red marble from the bag, you start by examining the total number of marbles and the number of favorable outcomes.

In this case, the bag contains a total of 5 marbles: 2 red and 3 blue. The favorable outcomes are the red marbles, which amounts to 2.

The probability is calculated by taking the number of favorable outcomes and dividing it by the total number of possible outcomes. Thus, the calculation would be:

Probability of drawing a red marble = (Number of red marbles) / (Total number of marbles) = 2 / 5

This results in a probability of 2/5, indicating that if you randomly select one marble from the bag, there is a 40% chance it will be red.

The answer correctly reflects the fraction representing the likelihood of selecting a red marble from the mix in the bag.

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