A coin is tossed four times. What is the probability that there is at the least one tail? Choose the correct choice:  A) 15/16  B) 15/37  C) 15/67  D) 15/17  E) 15/31
Let P(T) be the probability of getting least one tail when the coin is tossed four times.   = There is not even a single tail.   i.e. all the outcomes are heads.   = 1/16 ; P(T) = 1 - 1/16   = 15/16   15/16nswer: 15/16
<result>A</result>
A coin is tossed four times. What is the probability that there is at the least one tail?