(a) Explain what you understand by a statistical model.
(2)
(b) Write down a random variable which could be modelled by
a discrete uniform distribution,
a normal distribution.
A group of students believes that the time taken to travel to college, \(T\) minutes, can be assumed to be normally distributed. Within the college \(5 \%\) of students take at least 55 minutes to travel to college and \(0.1 \%\) take less than 10 minutes.