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: H

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Question 1026945: 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 any different outcomes have at least one tail?

Answer by stanbon(75887) About Me  (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?:: 2^4 = 16
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B: How many different outcomes have exactly 3 tails?::
If 3 tails then 1 head:: Ans: 4
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C: How any different outcomes have at least one tail?
All but 4 heads:: Ans 15
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Cheers,
Stan H.
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