If a coin is flipped, the probability that the coin will land heads is 1/2. If the coin is flipped 5 times, what is the probability that it will land tails up on the first 4 flips and not on the last flip?  Choose the correct choice from the following
A) 1 / 8 B) 1 / 32 C) 1 / 4 D) 1 / 2 E) 1 / 16

Rationale: ( 1 / 2 ) * ( 1 / 2 ) * ( 1 / 2 ) * ( 1 / 2 ) * ( 1 / 2 ) = 1 / 32 answer : b
Answer: B