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?

2/3 * 2/3 = ?

0.4

no solution
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?
2/3 * 2/3 = ?
0.4
no solution