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A coin is weighted so that the probability of getting heads is 0.70. If the coin is flipped twice, what is the probability of getting a tail followed by a head?
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3 votes
A coin is weighted so that the probability of getting heads is 0.70. If the coin is flipped twice, what is the probability of getting a tail followed by a head?

User Dheeraj Singh
by
8.3k points

1 Answer

3 votes
HH
TT
HT
TH

these are all the outcomes of flipping a coin twice:

TH = 0.7*0.3 = 0.21
because the probability of getting tails is 0.7 and the probability of getting heads is 0.3.


User Piotr Dawidiuk
by
7.7k points
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