Choose the most appropriate from the following distributions to model the random variable in each of the following scenarios. A fisherman repeatedly casts a line out into a fishing lake and then reels in the line; eventually there is a fish on his hook, at which point he packs up and goes home. Let W be the number of times he casts the line. Four small children are playing hide and seek. Alan has just counted to 100 and opened his eyes. Let X be the time it takes him to find all three of the other children. - The expected mark for your end of year MATH230 exam is . Two students, picked at random, have marks M and M. We are interested in Y = (M-)/(M ). Today, a dentist is seeing 18 patients for a routine check up. Let Z be the number of these patients that turn out to require at least some dental work. Each individual has their own probability that they will trip over their own feet at least once next week. Let P be the foot-tripping probability of the next person you pass in the street. Choose... Choose... Choose... Choose... Choose... 41 ED