Subject: mathqa
Question: 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 3 flips and not on the last 2 flips ?
Option: 
A: 1 / 2
B: 1 / 8
C: 1 / 32
D: 1 / 5
Answer: C