# SOLUTION: a coin is tossed 4 times and the sequence of heads and tails is observed: (a)how many different outcomes are possible (b)how many different outcomes have exactly 3 tails (c)how

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 Question 519847: a coin is tossed 4 times and the sequence of heads and tails is observed: (a)how many different outcomes are possible (b)how many different outcomes have exactly 3 tails (c)how many different outcomes have at least 1 tail Please Please help me with this-thank you very very muchAnswer by stanbon(57361)   (Show Source): You can put this solution on YOUR website!a coin is tossed 4 times and the sequence of heads and tails is observed: (a)how many different outcomes are possible Ans: 2^4 = 16 outcomes --------------------------------- (b)how many different outcomes have exactly 3 tails Ans: Same as "how many have exactl one head": that number is 4 -------------------------------------------------------------------- (c)how many different outcomes have at least 1 tail #(at least 1 tail) = 16 - #(no tail) = 16-1 = 15 ====================================================== Cheers, Stan H.