Find the Probability of Picking 2 Balls or Marbles of the Same Color Without Replacement

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All the steps to find the probability of picking 2 balls of the same color without replacement. There are 3 colors in this example, so we will be using cases with an or probability. Learn how to find the probability of getting 2 marbles the same color from a jar of marbles without replacing the first (without putting the first marble back in the jar).

⏰ Time Stamps
0:00 Set-up
0:10 Probability of 2 of the same color without replacement
2:50 Use the TI84 calculator to get a reduced fraction answer
3:52 Decimal/percentage answer

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Video helps greatly but what is probability of 2nd ball being red; without replacement? makes no difference on the color of first ball. do I just add RR+GR+BR?

jboy