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```
8 couples attend a dance show.For a prize, a lucky draw in which 4 persons are picked up for a prize is held.The probability that there is atleast one couple will be selected is _____
8 couples attend a dance show.For a prize, a lucky draw in which 4 persons are picked up for a prize is held.The probability that there is atleast one couple will be selected is _____

```
3 years ago

Arun
25768 Points
```							P( selecting atleast one couple) = 1 - P(selecting none of the couples for the prize) = 1 –  (16C1 * 14C1 * 12C1 * 10C1 / 16C4) = 1 – 24/39 = 15/39 hope it helps
```
3 years ago
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• 101 Video Lectures
• Revision Notes
• Test paper with Video Solution
• Mind Map
• Study Planner
• NCERT Solutions
• Discussion Forum
• Previous Year Exam Questions