A fair coin with sides marked heads and tails is to be tossed eight times. What is the probability that the coin will land tails side up more than six times?  Select:
A) 37/256
B) 56/256
C) 65/256
D) 9/256
E) 81/256
More than 5 times tails = 7times  +8= 
<gadget id="calculator">  +8</gadget>
<output>8</output>
8C7 + 8C8= 9   2 2 2 2 2 2 2 2   2^8 times total events and 9 events where tails side up .   So probability = 9/2^8 = 9/256 (Answer 9/256)
<result>D</result>
A fair coin with sides marked heads and tails is to be tossed eight times. What is the probability that the coin will land tails side up more than six times?