Random variables: discrete and continuous, probability mass, density and distribution functions, expectations, variance, percentiles and mode. Moments and Moment generating function. Moment generating function and probability distributions: Bernoulli, Hypergeometric, Binomial, Geometric, Negative Binomial, Poisson, Uniform, Exponential and Normal; .Derivation of t, beta and gamma, chi-square distributions. Application of statistical software in computation of probabilities and moments. Application of computer software, e.g MS. Excel, R.