A coin is tossed successively three times. Find the Probability (P), Event (E), Sample space (S) of getting exactly one head or two heads, where n is number of occurrences.
A. n(S) = 8 and n(E) = 4
B. n(E) = 6 and n(S) = 8
C. P(E) = 3 / 4
D. P(E) = 1 / 2
Choose the correct answer from the options given below: