SOLUTION: A coin is weighted so that heads is twice as likely to appear as tails. What is the probability of: Two heads in four tosses of the coin?
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Question 1079742: A coin is weighted so that heads is twice as likely to appear as tails. What is the probability of: Two heads in four tosses of the coin?
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
Look at the possible tosses, there are 16 of them,
HHHH
HHHT
HHTH
HHTT<---
HTHH
HTHT<---
HTTH<---
HTTT
HHHH
THHT<---
THTH<---
THTT
TTHH<---
TTHT
TTTH
TTTT
There are six outcomes with two heads.
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