Question

1)find the mgf,mean and variance
of binomial distribution.
2)find the probability that in tossing a fair coin 5 times there will appear (1) 3 heads (2) at least 1 head (3) not more than 1 tail​

Answer 1

Answer:

Statistics of a Binomial Distribution

If X is the number of successes in a sequence of n independent Bernoulli trials, with probability p of success in each trial and probab i ility q = 1 p of failure, then μ = np and. σ2 = npq. I think Mirk please