Question
The chance of a head occurring in a certain biased coin is twice that of the tail occurring if the coin tossed 5 times. What is the probability of at most 1 tail occuring in the 5 tossed?
Answers
bobpursley
Pr(H)=2/3
pr(T)=1/3
pr(T<2)=1/3*(2/3)^4 + (1/3)^0 * (2/3)^5
= 1/3^5 2^4(1+2)=(2/3)^4=.198
check my thinking
pr(T)=1/3
pr(T<2)=1/3*(2/3)^4 + (1/3)^0 * (2/3)^5
= 1/3^5 2^4(1+2)=(2/3)^4=.198
check my thinking
Related Questions
A coin is biased such that a head is thrice as likely to occur as a tail. Find the probability distr...
A coin is biased so that a head is twicw as likely to occur as a tail. Suppose the coin is tossed th...
A coin is biased so that a head is twice as likely to occur as a tail. If the coin is tossed 3 times...
The probability of a head occurring when a biased coin is tossed is 0.58. If the coin is tossed six...