An unbiased coin is tossed n times. Let X denote the number of times head occurs. If `P(X=4), P(X=5) and P(X=6)` are in A.P, then the value of n can be

An unbiased coin is tossed n times. Let X denote the number of times head occurs.If p(X=4), p (X=5) and (x=6) are in A.P. then find the value of n.

An unbiased coin is tossed 'n' xx.Let the randon variable X denote the number of xx the head occurs.If P(X=1),P(X=2) and P(X=3) are in AP, find the value of n .

A fair coin is tossed 99 times. Let X be the number of times head occurs. The P(X=r) maximum when r is

Let X denote the number of times heads occur in n tosses of a fair coin. If P(X=4),\ P(X=5)\ a n d\ P(X=6) are in AP; the value of n is

Let X denote the number of times heads occur in n tosses of a fair coin. If P(X=4),\ P(X=5)\ a n d\ P(X=6) are in AP; the value of n is

Let X denote the number of times heads occur in n tosses of a fair coin. If P(X=4),\ P(X=5)\ a n d\ P(X=6) are in AP; the value of n is

A fair coin is tossed 99 times. Let X be the nunber of times head occurs. Then P(X=r) is maximum when r is

A fair coin is tossed 99 times . Let X be the number of times heads occur. Then P(X=r) is maximum when r is