a). Define the following; I). Sample space ii. An event. b). If a die is tossed two times, write down the sample space and calculate the probability that; i. The sum of two numbers that turn up is a multiple of 5. ii. The sum of two numbers that turn up is an odd number.

c). A typist makes 2(two) errors per page on the average, what is the probability that he makes (i) No error (ii) 3 or more errors.

(d). Define the term "random variable". (e). When is a random variable said to be discrete? (f). A ball contains 8R, 3W & 9B balls; if 3 balls are drawn at random with replacement, find the probability that exactly; i). 2 are white ii). At most 2 are white iii). At least 2 are white Using binomial distribution method.