Probability Mcqs

Q.  A coin is tossed live times. What is the probability that there is at the least one tail?

a. 31/32
b. 1/16
c. 1/2
d. 1/32


ANSWER: See Answer
 
Let P(T) be the probability of getting least one tail when the coin is tossed five times.

= There is not even a single tail.
i.e. all the outcomes are heads.
= 1/32 ; P(T) = 1 – 1/32 = 31/32
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