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14. A unfair coin has the probability of heads

3 / 8

and the probability of tails

5 / 8

. What is the probability
of tossing three heads in a row? Of tossing two heads followed by one tail? Of tossing two heads and one
tail in any order?

User Kqnr
by
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1 Answer

2 votes

Answer :

the probability of tossing three heads in a row


=\left( (3)/(8) \right)^(3) =(27)/(512) =0.052734375

…………………………………………

the probability of tossing two heads followed by one tail


=\left( (3)/(8) \right)^(2) * \left( (5)/(8) \right) =(45)/(512)

……………………………

the probability of two heads and one tail in any order


=3* \left( (3)/(8) \right)^(2) * \left( (5)/(8) \right) =(135)/(512)

User Sffc
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