If a certain 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 heads up on the first 4 flips but not on the last flip?	Choose the correct choice.
A) 1 / 2
B) 1 / 4
C) 1 / 8
D) 1 / 16
E) 1 / 32

Rationale: p ( hhhht ) = 1 / 2 * 1 / 2 * 1 / 2 * 1 / 2 * 1 / 2 = 1 / 32 the answer is e .
Answer: E