Home » Aptitude » Probability

Five coins are tossed at a time. Then, the probability of obtaining at least one tail is

Correct Answer: 31/32

Explanation:

Total events = n (s) = 25 = 32
n(E) of getting heads = 1
p(E) = 1/32
∴ n(E) = 1 - p(E) = 1 - 1/32 = 31/32


← Previous Question Next Question→

More Questions from Probability

Discussion & Comments

No comments yet. Be the first to comment!
Join Discussion