A railway line monitored 15% of its August train journeys to find their departure delay times. The results are shown below. It is given that 24 of these journeys were delayed by less than 2 minutes.
a. How many journeys were monitored?
b. Calculate an estimate of the number of these journeys that were delayed by:
i. 1 to 3 minutes
ii. 10 to 15 minutes.
c. Show that a total of 2160 journeys were provided in August.
d. Calculate an estimate of the number of August journeys that were delayed by 3 to 7 minutes. State any assumptions that you make in your calculations.
Enjoy 24/7 customer support for any queries or concerns you have.
Phone: +1 213 3772458
Email: support@gradeessays.com