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`        A Has One Share In Which There Is One Priza And Two Blank;B Has Three Shares In Which There Are 3 Prizes And 6 Blanks;Compare The Probability Of A's Success To B's`
2 months ago

Arun
22318 Points
```							W - Winning ticket L - loosing ticket WLL, WWL, WWW WLL = 3C1 * 9C2 WWL = 3C2 * 9C1 WWW = 3C3 * 9C0 No of ways to chose 3 tickes out of 12 = 12C3 P(A) = ( 3C1 * 9C2 + 3C2 * 9C1 + 3C3 * 9C0 ) / 12C3 = 34/55 P(B) = ( 2C2 * 6C0 + 2C1 * 6C1 ) / 8C2 = 12/28
```
2 months ago
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### Course Features

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