If a coin is flipped, the probability that the coin will land tails is 1/2. If the coin is flipped 3 times, what is the probability that it will land tails up on the first flip and not on the last 2 flips? Pick one.
A) 1 / 8 B) 1 / 4 C) 1 / 3 D) 1 / 2 E) 3 / 4

Rationale: ( 1 / 2 ) * ( 1 / 2 ) * ( 1 / 2 ) = 1 / 8 answer : a
Answer: A