x012345678 P(x) .0454 .1723 .2838 .2669 .1569 .0585 .0139 .0015 .0008
Calculate the mean and standard deviation of this probability distribution. Give a brief interpretation of the values of the mean and standard deviation.
Let xxbe a discrete random variable that possesses a binomial distribution. Using the binomial formula, find the following probabilities. p(5) for n=8and p=.70 p(3) for n=4and p=.40 Verify your answers by using Table I of Appendix B.