5 Heidi records the colour of each of 500 cars crossing a bridge. The pie chart shows some of this information. Grey Red Other (a) How many cars are red? ................................................. [1] (b) 35carsaregrey. Show, by calculation, that the sector angle for grey is 25.2°. [1] (c) 175 cars are white and 150 cars are black. Complete the pie chart to show this information. [2] © UCLES 2023 0580/32/O/N/23 9 (d) Find the probability that a car chosen at random is not grey. Give your answer as a fraction in its simplest form. ................................................. [2] (e) Another320carscrossthebridge. Howmanyofthese320carsareexpectedtobewhite? ................................................. [2] (f) Heidi also records the number of people in each car crossing the bridge for one hour. Number of people Frequency 1 20 2 6 3 0 4 15 5 8 6 12 Calculate the mean. .................................................[3] © UCLES 2023 0580/32/O/N/23 [Turn over 10