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

Practice Questions

Q1
In a box of 10 balls, 4 are red and 6 are blue. What is the probability of picking a red ball?
  1. 0.4
  2. 0.5
  3. 0.6
  4. 0.7

Questions & Step-by-Step Solutions

In a box of 10 balls, 4 are red and 6 are blue. What is the probability of picking a red ball?
  • Step 1: Identify the total number of balls in the box. There are 10 balls.
  • Step 2: Identify how many of those balls are red. There are 4 red balls.
  • Step 3: Use the formula for probability, which is the number of favorable outcomes (red balls) divided by the total number of outcomes (total balls).
  • Step 4: Plug in the numbers: Probability = Number of red balls (4) / Total balls (10).
  • Step 5: Calculate the probability: 4 divided by 10 equals 0.4.
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