Q28
Three unbiased coins are tossed. What is the probability of getting at most two heads?
A.
B.
C.
D.
Answer
Answer: Option D
Solution
Answer: Option D
Solution:
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}