Question: A box contains 4 green, 6 yellow, and 2 black balls. What is the probability of picking a yellow ball?
Options:
1/6
1/3
3/5
3/8
Correct Answer: 3/5
Solution:
Total balls = 4 + 6 + 2 = 12. Probability of yellow ball = 6/12 = 1/2.
A box contains 4 green, 6 yellow, and 2 black balls. What is the probability of
Practice Questions
Q1
A box contains 4 green, 6 yellow, and 2 black balls. What is the probability of picking a yellow ball?
1/6
1/3
3/5
3/8
Questions & Step-by-Step Solutions
A box contains 4 green, 6 yellow, and 2 black balls. What is the probability of picking a yellow ball?
Step 1: Count the number of green balls. There are 4 green balls.
Step 2: Count the number of yellow balls. There are 6 yellow balls.
Step 3: Count the number of black balls. There are 2 black balls.
Step 4: Add the total number of balls together: 4 (green) + 6 (yellow) + 2 (black) = 12 total balls.
Step 5: Identify how many of the total balls are yellow. There are 6 yellow balls.
Step 6: Calculate the probability of picking a yellow ball by dividing the number of yellow balls by the total number of balls: 6 (yellow) / 12 (total) = 1/2.
Probability Calculation – Understanding how to calculate the probability of an event by dividing the number of favorable outcomes by the total number of outcomes.
Total Outcomes – Recognizing the importance of correctly counting the total number of items in a sample space.
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