1. Can someone please solve this Q:
a bag contains 6 red and 4 green marbles.To drawing of three marbles:
1) replacement
2)without replacement
What is the probability of first three marbles are red and the next three are 1 red and 2 Green

2.

3. We're not here to solve problems, but we give hints to help you along. What have you figured out so far?

4. 1) first three marbles are red:
6/10+6/10+6/10=9/5

5. I try to answer ... . I’m sorry if I wrong ... .

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6. Originally Posted by cmab
1) first three marbles are red:
6/10+6/10+6/10=9/5
Intriguing.
I wonder how it's possible to get a probability higher than 1.
Maybe, just maybe, if we substitute a "x" for the "+" it might yield a more accurate answer = 0.216.

7. without replacement6/10,5/9,4/8,3/7,4/6,3/5 (4green2red)with replacement6/10,6/10,6/10,6/10,4/10,4/10

8. thanx fiveworlds!!!!

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