Question: 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 ?
A)  5 / 8
B)  3 / 4
C)  7 / 8
D)  57 / 64
E)  15 / 16
Correct answer: c
Grade: 8 | Topic: Statistics and Probability | Difficulty: Medium | Standard: 8.SP.A.1