Two Dice & At-Least-One Problems
दो dice और at-least-one वाले सवाल
title
Two Dice & At-Least-One Problems
- Probability
- Two Dice & At-Least-One Problems
Hello दोस्तों! MeraExam की एक और class में आपका स्वागत है। आज की class में समझेंगे — दो dice और at-least-one वाले सवाल। घबराइए मत, हम एकदम basic से शुरू करेंगे। Ready? चलिए!
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Interactive — learn by doing. Drag, tap and explore to build the intuition.
Probability = favourable ÷ total
Every square is one equally-likely roll of two dice (36 total). Pick a target sum and count the highlighted squares.
1+1
1+2
1+3
1+4
1+5
1+6
2+1
2+2
2+3
2+4
2+5
2+6
3+1
3+2
3+3
3+4
3+5
3+6
4+1
4+2
4+3
4+4
4+5
4+6
5+1
5+2
5+3
5+4
5+5
5+6
6+1
6+2
6+3
6+4
6+5
6+6
6 favourable / 36 total
P = 6/36 = 0.167
Sum 7 can happen 6 ways. 7 is the most likely (6 ways); 2 and 12 the least (1 each).