1.suppose the community time from north bay to barrie varies uniformly from 135min to 180min. what is the probability that the drive will take less than 160min?

2.the usage of a hospital x- ray machine was monitored for nine days. the data, rounded to the nearest hour, are listed below

3,13,9,10,13,21,12,23,13

a. calcilate the mean and mode for the data

b. suggest a reason why you might want to exclude the least value from the calculations in a)