A jar contains 5 red, 3 blue, and 2 yellow marbles. What is the probability of p

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Question: A jar contains 5 red, 3 blue, and 2 yellow marbles. What is the probability of picking a yellow marble? (2023)

Options:

Correct Answer: 1/10

Exam Year: 2023

Solution:

Total marbles = 5 + 3 + 2 = 10. Probability of picking a yellow marble = Number of yellow marbles / Total marbles = 2/10 = 1/5.

A jar contains 5 red, 3 blue, and 2 yellow marbles. What is the probability of picking a yellow marble? (2023)

A jar contains 5 red, 3 blue, and 2 yellow marbles. What is the probability of picking a yellow marble? (2023)

Step 1: Count the number of red marbles. There are 5 red marbles.
Step 2: Count the number of blue marbles. There are 3 blue marbles.
Step 3: Count the number of yellow marbles. There are 2 yellow marbles.
Step 4: Add the number of all marbles together: 5 (red) + 3 (blue) + 2 (yellow) = 10 total marbles.
Step 5: Find the number of yellow marbles, which is 2.
Step 6: Calculate the probability of picking a yellow marble by dividing the number of yellow marbles by the total number of marbles: 2 (yellow) / 10 (total) = 1/5.

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.
Basic Arithmetic – Performing addition to find the total number of marbles.