Question: A box contains 5 white and 3 black balls. What is the probability of picking a black ball? (2021)
Options:
3/8
5/8
1/2
1/3
Correct Answer: 3/8
Solution:
Total balls = 5 + 3 = 8. Probability of black ball = 3/8.
A box contains 5 white and 3 black balls. What is the probability of picking a b
Practice Questions
Q1
A box contains 5 white and 3 black balls. What is the probability of picking a black ball? (2021)
3/8
5/8
1/2
1/3
Questions & Step-by-Step Solutions
A box contains 5 white and 3 black balls. What is the probability of picking a black ball? (2021)
Correct Answer: 3/8
Step 1: Count the total number of balls in the box. There are 5 white balls and 3 black balls.
Step 2: Add the number of white balls and black balls together. So, 5 + 3 = 8 total balls.
Step 3: Identify how many of the balls are black. There are 3 black balls.
Step 4: To find the probability of picking a black ball, divide the number of black balls by the total number of balls. So, 3 (black balls) / 8 (total balls) = 3/8.
Step 5: The probability of picking a black ball is 3/8.
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.
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