A box contains 10 balls: 4 are blue, 3 are green, and 3 are red. What is the pro
Practice Questions
Q1
A box contains 10 balls: 4 are blue, 3 are green, and 3 are red. What is the probability of drawing a red ball?
1/3
3/10
1/4
2/5
Questions & Step-by-Step Solutions
A box contains 10 balls: 4 are blue, 3 are green, and 3 are red. What is the probability of drawing a red ball?
Correct Answer: 3/10
Step 1: Count the total number of balls in the box. There are 10 balls in total.
Step 2: Count how many of those balls are red. There are 3 red balls.
Step 3: To find the probability of drawing a red ball, use the formula: Probability = (Number of red balls) / (Total number of balls).
Step 4: Plug in the numbers: Probability = 3 (red balls) / 10 (total balls).
Step 5: Simplify the fraction if possible. In this case, 3/10 is already in its simplest form.
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.
