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`        A bag contains 4 black and 6 red bags and bag B contains 7 black and 3 red balls.A die is thrown.If 1 or 2 appears on it, then bag A is chosen, otherwise bag B. If two balls are drawn at random WITHOUT REPLACEMENT, five the probability of one of them being red and another being black.   What is the significance of the word "without replacement" here??`
2 years ago

Saurabh Koranglekar
3452 Points
```							without replacement means you dont put back the ball that is drawn1/3 is prob for selection of bag A2/3 for bg Bred from bag A = 6/10black from B = 7/10selecting red from A = (1/3)*(6/10):similarly, proceed for rest cases arrange using set theory and solverevert if the problem persists
```
one year ago
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### Course Features

• 731 Video Lectures
• Revision Notes
• Test paper with Video Solution
• Mind Map
• Study Planner
• NCERT Solutions
• Discussion Forum
• Previous Year Exam Questions