(a)
If you toss 2 coins, what is the probability of getting a match such as 2 heads or 2 tails? (Enter your probability as a fraction.)
(b)
If you toss 4 coins, what is the probability of all 4 coins matching? (Enter your probability as a fraction.)
(c)
If you toss 7 coins, what is the probability of all 7 coins matching? (Enter your probability as a fraction.)