Quantitative Aptitude Ques 2290
Question: A coin is tossed thrice. The probability that exactly two heads show up is
Options:
A) $ \frac{1}{8} $
B) $ \frac{2}{8} $
C) $ \frac{3}{8} $
D) $ \frac{4}{8} $
Show Answer
Answer:
Correct Answer: C
Solution:
- Possible outcomes are (HHH, HHT, HTH, THH, HTT, TTH, THT, TTT)
$ \therefore $ Total number of outcomes n (S) = 8 Favourable outcomes are {HHT, HTH, THH} Total favourable outcomes = 3
$ \therefore $ Probability of getting two heads $ =\frac{3}{8} $
BETA
