A fair coin is tossed 99 times. Let x be the number of times heads 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

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 head occurs. The P(X=r) maximum when r is

A fair coin is tossed 99 times. If X is the number of times heads occur, then P(X=r) is maximum when r is a. 49 , 50 b. 50 , 51 c. 51 , 52 d. none of these

A fair coin is tossed 99 times. If X is the number of times heads occur, then P(X=r) is maximum when r is 49 , 50 b. 50 , 51 c. 51 , 52 d. none of these

A fair coin is tossed 99 times. If X is the number of times in which head occurred, then P(X = r) is maximum when r is equal to

A fair coin is tossed 99 xx.If X is the number of xx heads occur,then P(X=r) is maximum when r is 49,50 b.50,51 c.51,52 d.none of these

A fair coin is tossed 3 times. Let X be the number of heads obtained. Find E(X) and V(X).

A fair coin is tossed 3 times. Let X be the number of heads obtained. Find E(X) and V(X).