an athletic association wants to sponsor a 5 mile foot race and they want to estimate how long they’ll need to have the
Posted: Mon May 09, 2022 12:41 pm
an athletic association wants to sponsor a 5 mile foot race and they want to estimate how long they’ll need to have the police close roads on the course to let the racers pass. if they randomly select 40 five mile racing times from potential runners in the town and find that the sample average of times is 42.6 minutes with a sample standard deviation of 6.5 minutes, how long would the association need to allow to be 99% certain that the race would be completed?