When tossed, a certain coin has equal probability of landing on either side. If the coin is tossed 3 times, what is the probability that it will land once on heads and twice tails?
Choose the correct answer.
A) 1/3	B) 1/6	C) 1/4	D) 1/8	E) 1/5
Must be once on heads and twice on tails   1/2*1/2*1/2 = 1/8   Answer: 1/8
<result>D</result>
When tossed, a certain coin has equal probability of landing on either side. If the coin is tossed 3 times, what is the probability that it will land once on heads and twice tails?