In a bag of 10 balls, 4 are red and 6 are blue. What is the probability of picki

Practice Questions

Q1
In a bag of 10 balls, 4 are red and 6 are blue. What is the probability of picking a red ball?
  1. 2/5
  2. 4/10
  3. 3/5
  4. 1/2

Questions & Step-by-Step Solutions

In a bag of 10 balls, 4 are red and 6 are blue. What is the probability of picking a red ball?
  • Step 1: Count the total number of balls in the bag. There are 10 balls.
  • Step 2: Count how many of those balls are red. There are 4 red balls.
  • Step 3: To find the probability of picking a red ball, use the formula: Probability = Number of red balls / Total balls.
  • Step 4: Substitute the numbers into the formula: Probability = 4 (red balls) / 10 (total balls).
  • Step 5: Simplify the fraction 4/10. Both numbers can be divided by 2.
  • Step 6: The simplified fraction is 2/5. This is the probability of picking a red ball.
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