Published by:
CGP EDU Academic Team
Published on: August 13, 2026
Three unbiased coins are tossed once. What is the probability of getting at least 2 heads?
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
D
: In tossing three coins, the sample space is 
HHH, HHT, HTH, THH, HTT, THT, TTH, TTT 
. 
.
Let 
event of getting at least 2 heads. Then, 
HHT, HTH, THH, HHH 
and therefore 
.
Now 
getting at least 2 heads 
.
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