6. An experiment of tossing a coin four times is conducted. B is an event. B= (HHTT, HTHT, HTTH, THHT, THTH, TTHH} Which of the following statements is CORRECT? (1 mark) O Bhas no equivalent event in the range space. If X is defined to be the number of heads, the equivalent event is X = 2. O If Yis defined to be the number of tails, the equivalent event is Y = 1. O If Wis defined to be the number of tosses, the equivalent event is W= 4. O If Vis defined to be the number of elements, the equivalent event is V= 6