If the number of heads obtained is denoted by X when two unbiased coins are tossed then find the mean value of X.

If the number of heads obtained is denoted by x when two unbliased coins are tossed then find the mean value of X .

Let X represent the difference between the number of heads and the number of tails obtained when an unbiased coin is tossed 7 times. Then, the possible values of X are -

Let x denote the number of tails preceding the first head when an unbiased coin is tossed repeatedly find the probability distribution of x

Let X be the random variable of the number of points obtained in single throw of an unbiased die. Then, the value of barX is -

Let x denote the number of heads when 10 unbiased coins are tossed find the probability distribution of x

Let X represent the difference between the number of heads and the number of tails obtained when a coin is tossed 6 times. What are possible values of X?

An unbiased die is thrown.If it shows an even face then we toss an unbiassed coin once. If it shows an odd face then the unbiased coin is tossed twice. Find the sample space associated with the random experiment.

A certain coin is tossed with probability of showing head being 'p' . Let 'q' denotes the probability that when the coin is tossed four times the number of heads obtained is even. Then (a) there is no value of p , if q=(1)/(4) (b) there is exactly two value of p , if q=(3)/(4) (c) there are exactly three value of p , if q=(3)/(5) (d) there are exactly four value of p , if q=(4)/(5)

If E be the random experiment of throwing an unbiased coin and S be its sample space and if H and T denotes the events of occurrence of head and tail respectively, then If one coin is thrown,then find the sample space of E.