A fair 2-sided coin is flipped 6 times. What is the probability that tails will be the result at least twice, but not more than 5 times?  Select:  A) 5/8  B) 3/4  C) 7/8  D) 57/64  E) 15/16
Total possible outcomes when coined is tossed 6 time=2^6=4*4*4= 
<gadget id="calculator">4*4*4</gadget>
<output>64</output>
64   Total possible outcomes getting 2 or 3 or 4 or 5 tails= 67/82+67/83+67/84+67/85=(6*5)/2+(6*5*4)/(3*2)+(6*5)/2+6=15+20+15+6= 
<gadget id="calculator">15+20+15+6</gadget>
<output>56</output>
56   Probability of getting at least 2 but not more than 5 times tails=56/64=7/8   Ans=7/8
<result>C</result>
A fair 2-sided coin is flipped 6 times. What is the probability that tails will be the result at least twice, but not more than 5 times?