Five coins were simultaneously tossed 1000 times and at each toss the number of heads were observed. The number of tosses during which 0,1,2,3,4 and 5 heads were obtained are shown in the table below. Find the mean number of heads per toss.

Five coins were simultaneously tossed 1000 times, and at each toss the number of heads was observed. The number of tosses during which 0, 1, 2, 3, 4 and 5 heads were obtained are shown in the table below. Find the mean number of heads per toss No. of heads per toss (x) : 0 1 2 3 4 5 No. of tosses (f) : 38 144 342 287 164 25

Five coins were simultaneously tossed 1000 xx and at each toss the number of heads were observed.The number of tosses during which 0,1,2,3,4 and 5 heads were obtained are shown in the table below.Find the mean number of heads per toss.No.of heads per toss,No.of tosses 012345,381443228716425 Total,1000

Find the mean number of heads in three tosses of a fair coin.

Find the mean number of heads in three tosses of a fair coin.

An unbiased coin is tossed 4 times. Find the mean and variance of the number of heads obtained.

10 coins are tossed at random. Obtain the mean and variance of the number of heads obtained.

Two coins are tossed five times. The probability that an odd number of heads are obtained, is

Find the expectation of the number of heads in 15 tosses of as coin.

A coin is tossed 4 times . If x is the number of heads observed , find the probability distribution of X.