207 videos156 docs192 tests

1. What is the probability of drawing a blue marble from the bag? 
2. How many marbles are there in the bag? 
3. What is the probability of drawing a red or green marble from the bag? 
4. Are the marbles in the bag replaced after each draw? 
5. If two marbles are drawn from the bag, what is the probability of drawing two blue marbles? 
207 videos156 docs192 tests

00:04  Probability Problem  Marbles are drawn (both red) 
00:32  Understanding the Problem 
00:55  Scenario 1  Pick one marble after the other 
01:54  Scenario 2  Pick  replace  pick 
03:06  Probability using Permutations and Combinations 
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