(a(i))[4]
Calculate an estimate of the mean.
(a(ii))[2]
Without calculating an estimated mean for this data, find the difference between Ann’s and Kai’s estimates of the mean. Show all your working.
(a(iii))[3]
Calculate the height of the bar for each of the following intervals.
(b)[1]
Find the probability that the car has travelled more than 300 km.
(c(i))[2]
Find the probability that both cars have travelled 150 km or less.
(c(ii))[3]
Find the probability that one car has travelled more than 200 km while the other has travelled 100 km or less.