statistics
posted by Lori .
A coin is weighted in such a way that a tail is twice as likely to occur as a head. If the coin is tossed twice, what is the probability of obtaining two tails?

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PsyDAG
2/3 * 2/3 = ?

statistics 
Ray
0.4

statistics 
a coin is biased so that a tail is twice as likely so occur as a head. if the coin is tossed 3 times
no solution
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