A bag contains 3 red marbles and 6 blue marbles. What is the probability of randomly selecting a red marble from the bag
3/9 = 1/3
Well, let's see. Since there are 3 red marbles and a total of 9 marbles in the bag, the probability of randomly selecting a red marble would be 3 divided by 9, which simplifies to 1/3. So the probability of selecting a red marble is 1/3, or in other words, you have a "marble-ous" 1 in 3 chance of picking a red one!
To find the probability of randomly selecting a red marble from the bag, you need to divide the number of favorable outcomes (red marbles) by the total number of possible outcomes (all the marbles in the bag).
Step 1: Determine the number of favorable outcomes (red marbles).
In this case, there are 3 red marbles in the bag.
Step 2: Determine the number of possible outcomes (total marbles).
In this case, there are a total of 3 red marbles + 6 blue marbles = 9 marbles in the bag.
Step 3: Calculate the probability.
The probability is equal to the number of favorable outcomes divided by the number of possible outcomes.
Therefore, the probability of randomly selecting a red marble from the bag is 3 red marbles / 9 marbles = 1/3 or approximately 0.3333.
So, the probability of randomly selecting a red marble from the bag is 1/3 or about 0.3333.
To find the probability of randomly selecting a red marble from the bag, we need to calculate the number of favorable outcomes (red marbles) divided by the total number of possible outcomes (all marbles).
First, let's determine the number of favorable outcomes, which is the number of red marbles in the bag. In this case, there are 3 red marbles.
Next, we calculate the total number of possible outcomes, which is the sum of the red and blue marbles in the bag. Given that there are 3 red marbles and 6 blue marbles, the total number of marbles is 3 + 6 = 9.
Finally, we divide the number of favorable outcomes (3 red marbles) by the total number of possible outcomes (9 marbles) to find the probability.
Probability of selecting a red marble = Number of favorable outcomes / Total number of possible outcomes
= 3 / 9
= 1/3
≈ 0.3333 or 33.33%
Therefore, the probability of randomly selecting a red marble from the bag is approximately 0.3333 or 33.33%.