Answer
Probability of getting two heads = $\frac{1}{4}$
Work Step by Step
When a fair coin is tossed two times in succession total outcomes = (HH, HT, TH, TT) = 4
Favorable outcomes = 1 (being two head)
Probability of getting two heads = $\frac{Favorable outcomes}{Total outcomes}$
= $\frac{1}{4}$