1. [12 marks] In the following situations, identify the random variable of interest (e.g. 'Let X measure/ count ....') Then state whether or not the r.v. is binomial, justifying your answer. (a) [4 marks] A police oicer randomly selects 30 cars to nd out how many do not have a current Warrant of Fitness (WOF). She knows from experience that the probability a car does not have a current WOF is g. (b) [4 marks] Ten light bulbs are randomly selected from a batch and the lengths of time they last before they fail is measured. (0) [4 marks] Mike is repeatedly rolling two dice and will stop when he gets a double six. He counts the number of rolls until he gets a 'success