A coin is tossed four times and the sequence of heads (H) and tails (T) is recorded (a) Use the generalized multiplication principle to determine the number of outcomes of this activity. outcomes (b) Find all possible sequences: HHH, HHT, HTH, HTT, THH, THT, TTH, and TTT HHHH, HHHT, HHTH, HHTT, HTHH, HTHT, HTTH, and HTTT HHHH, HHHT, HHTH, HHTT, HTHH, ΗΤΗΤ, ΗΤΤΗ, ΗΤΤ, THHH, THHT, THTH, THT.TTHH, TTHT. 111H, and TTTT HHHH, HHHT, HHTH, HHTT, HTHH, HTHT, HTH, HTTT, THHH, THHT, THTH, ΤΗΠ, TTHH, TTHT·TTH, and HHHH