(a)[1]
What number of cars are red?
(b)[1]
Show, by calculation, that the grey sector has an angle of $25.2^\circ$.
(c)[2]
Finish the pie chart so that it represents this information.
(d)[2]
Calculate the probability that a randomly selected car is not grey. Write your answer as a fraction in simplest form.
(e)[2]
Of these 320 cars, how many would be expected to be white?
(f)[3]
Calculate the mean value.