1. Categorise each of the following as continuous ordiscrete. The random variables are:(a) A is 'the age in completed years of the firstperson I see wearing a hat'.(b) B is 'the length of the next car to enter thecar park'.(c) C is 'how many cows I will see before thefirst green one'.(d) D is 'the date next July of the day with thehighest temperature'.