Question: If a box contains 3 red balls and 2 blue balls, what is the probability of picking a red ball?
Options:
2/5
3/5
1/2
1/5
Correct Answer: 3/5
Solution:
Probability = Number of favorable outcomes / Total outcomes = 3/(3+2) = 3/5.
If a box contains 3 red balls and 2 blue balls, what is the probability of picki
Practice Questions
Q1
If a box contains 3 red balls and 2 blue balls, what is the probability of picking a red ball?
2/5
3/5
1/2
1/5
Questions & Step-by-Step Solutions
If a box contains 3 red balls and 2 blue balls, what is the probability of picking a red ball?
Step 1: Identify the total number of balls in the box. There are 3 red balls and 2 blue balls.
Step 2: Calculate the total number of balls by adding the red and blue balls together: 3 red + 2 blue = 5 total balls.
Step 3: Identify the number of favorable outcomes. The favorable outcome is picking a red ball, and there are 3 red balls.
Step 4: Use the probability formula: Probability = Number of favorable outcomes / Total outcomes.
Step 5: Substitute the numbers into the formula: Probability = 3 (red balls) / 5 (total balls).
Step 6: Simplify the fraction if needed, but in this case, it remains 3/5.
Probability Calculation – Understanding how to calculate the probability of an event by dividing the number of favorable outcomes by the total number of outcomes.
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