Question: A bag contains 3 red balls and 2 blue balls. What is the probability of drawing a red ball?
Options:
0.3
0.4
0.6
0.5
Correct Answer: 0.6
Solution:
The total number of balls is 3 + 2 = 5. The probability of drawing a red ball is 3/5 = 0.6.
A bag contains 3 red balls and 2 blue balls. What is the probability of drawing
Practice Questions
Q1
A bag contains 3 red balls and 2 blue balls. What is the probability of drawing a red ball?
0.3
0.4
0.6
0.5
Questions & Step-by-Step Solutions
A bag contains 3 red balls and 2 blue balls. What is the probability of drawing a red ball?
Correct Answer: 0.6
Step 1: Count the number of red balls in the bag. There are 3 red balls.
Step 2: Count the number of blue balls in the bag. There are 2 blue balls.
Step 3: Add the number of red balls and blue balls together to find the total number of balls. 3 red + 2 blue = 5 total balls.
Step 4: To find the probability of drawing a red ball, divide the number of red balls by the total number of balls. This is 3 red balls divided by 5 total balls.
Step 5: Write the probability as a fraction: 3/5.
Step 6: Convert the fraction to a decimal if needed. 3/5 = 0.6.
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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