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00:03  Probability problem  marbles are drawn (both same color) 
00:36  Scenario 1  pick one marble after the other 
01:47  Scenario 2  pick  replace  pick 
02:41  Probability problem  marbles are drawn (both different color) 
03:01  Scenario 1  pick one marble after the other 
04:02  Scenario 2  pick  replace  pick 
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1. What is the probability of drawing a red marble from a bag of 10 marbles, where 3 are red and 7 are blue? 
2. If I draw 2 marbles without replacement from a bag containing 5 red marbles and 3 blue marbles, what is the probability of getting 2 red marbles? 
3. If I draw 3 marbles with replacement from a bag containing 4 red marbles and 6 blue marbles, what is the probability of getting at least one red marble? 
4. In a bag of marbles, there are 5 red marbles, 4 green marbles, and 6 blue marbles. If I draw a marble at random, what is the probability of drawing a red or green marble? 
5. If I draw 2 marbles with replacement from a bag containing 8 marbles, including 3 red marbles and 5 blue marbles, what is the probability of drawing exactly one red marble? 
129 videos132 docs146 tests

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