5.18 Assume a Poisson distribution. a. If 2 = 2.5, find P(X = 2). b. If 2 = 8.0, find P(X = 8). c. If 2 = 0.5, find P(X = 1). d. If 2 = 3.7, find P(X = 0).5.10 Determine the mean and standard deviation of the variable X in each of the following binomial distributions: a.n=4and:r=0.10 b.n=4and2r=0.40 c.n=5and2r=0.80 d.n=3and:r=0.50