[" Ex.A coin is tossed until a head appears or the tail appears "4" times in succession."],[" the probability distribution of the number of tosses."]

A coin is tossed until a head appears or the tail appears 4 times in succession. Find the probability distribution of the number of tosses.

A coin is tossed until a head qappears or the tail appears 4 rxx in succession.Find the probability distribution of the number of tosses.

A coin is tossed until a head appears or tail appears 4 times in succession. Find the probability getting a head it is known that tail occured at least twice .

A baised coin with probability p, 0lt p lt of heads is tossed until a head appears for the first time. If the probability that the number of tosses required is even is 2/5, then p is equal to

A biased coin with probability p,0

A biased coin with probability p, 0ltplt1 of heads is tossed until a head appears for the first time. If the probability that the number of tosses required is even is 2/5, then p equals

A coin is tossed until a head appears. What is the expectation of the number of tosses required ?

A coin is tossed until a head appears. What is the expectation of the number of tosses required ?