Aptitude - Probability - Discussion
Discussion Forum : Probability - General Questions (Q.No. 5)
5.
Three unbiased coins are tossed. What is the probability of getting at most two heads?
Answer: Option
Explanation:
Here S = {TTT, TTH, THT, HTT, THH, HTH, HHT, HHH}
Let E = event of getting at most two heads.
Then E = {TTT, TTH, THT, HTT, THH, HTH, HHT}.
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n(E) | = | 7 | . |
n(S) | 8 |
Discussion:
120 comments Page 12 of 12.
Sujith Remigius said:
8 years ago
Thank you @Sundar.
Deva said:
8 years ago
Thank You @SUNDAR.
Sathish said:
1 decade ago
Thank you sundar.
Dhamodar said:
8 years ago
Why include TTT?
Shubham said:
8 years ago
Thanks @Harini.
Soaib said:
7 years ago
Thanks @Harini.
Sumanth said:
4 years ago
It is 6/8=3/4.
(4)
Rishal said:
9 years ago
What is n(s)?
Eraiarul said:
7 years ago
Thanks all.
Kharkhanhimel said:
6 years ago
Thanks all.
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