(a)[1]
Andy suggests going to the music building during the lunch hour and choosing six students at random from those who are there. State one reason why this method is unsatisfactory.
(b)[2]
Jessica decides to use another method. She numbers all the students in the college from $1$ to $256$. She then uses her calculator and generates the following random numbers: $204393$, $162007$, $204028$, $587119$, $207395$. From these numbers, she obtains six student numbers. The first three of her student numbers are $204$, $162$ and $7$. Continue Jessica’s method to obtain the next three student numbers.