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Question 3 of 15 experiment consists of tossing a coin three times and observing the sequence of heads and tails. a) What is the sample space of this experiment? [b) Desabe he event -the first toss is a tait as a subset the sample space. (a) Let tossing a head be event H, tossing a tail be event T. What is the sample space of this experiment? O A. HHT, HTH.THH. O B. (HHH. THT. TTT) O C. {HHH, TTT) O D. (HHH. (b) Describe me event the first toss is a tar as a subset of the sample space. {THH. TTH. HHT. TTT} (THT. THH, TTT) (THT.HHT. HTT) UHH. TTH. THT.