document.write( "Question 1026945: A coin is tossed 4 times and the sequence of heads and tails is observed.
\n" ); document.write( "A: How many different outcomes are possible.
\n" ); document.write( "B: How many different outcomes have exactly 3 tails?
\n" ); document.write( "C: How any different outcomes have at least one tail?
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Algebra.Com's Answer #642230 by stanbon(75887)\"\" \"About 
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A coin is tossed 4 times and the sequence of heads and tails is observed.
\n" ); document.write( "A: How many different outcomes are possible?:: 2^4 = 16
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\n" ); document.write( "B: How many different outcomes have exactly 3 tails?::
\n" ); document.write( "If 3 tails then 1 head:: Ans: 4
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\n" ); document.write( "C: How any different outcomes have at least one tail?
\n" ); document.write( "All but 4 heads:: Ans 15
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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