A jar contains 4 red, 5 green, and 6 blue marbles. What is the probability of pi

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Question: A jar contains 4 red, 5 green, and 6 blue marbles. What is the probability of picking a green marble?

Options:

Correct Answer: 1/3

Solution:

The total number of marbles is 4 + 5 + 6 = 15. The probability of picking a green marble is 5/15 = 1/3.

A jar contains 4 red, 5 green, and 6 blue marbles. What is the probability of picking a green marble?

A jar contains 4 red, 5 green, and 6 blue marbles. What is the probability of picking a green marble?

Step 1: Count the number of red marbles. There are 4 red marbles.
Step 2: Count the number of green marbles. There are 5 green marbles.
Step 3: Count the number of blue marbles. There are 6 blue marbles.
Step 4: Add the number of all marbles together: 4 (red) + 5 (green) + 6 (blue) = 15 total marbles.
Step 5: Identify how many of the marbles are green. There are 5 green marbles.
Step 6: To find the probability of picking a green marble, divide the number of green marbles by the total number of marbles: 5 (green) / 15 (total) = 1/3.

Probability Calculation – Understanding how to calculate the probability of an event by dividing the number of favorable outcomes by the total number of possible outcomes.
Total Outcomes – Recognizing the importance of correctly calculating the total number of items in a sample space.