study of the time spent shopping in a supermarket for 20 specific ite

study of the time spent shopping in a supermarket for 20 specific items showed an approximately uniform distribution between 25minutes and 45minutes.a. Whatis the probability that the shopping time will be between 28and 40?minutes?b. Whatis the probability that the shopping time will be less than 36?minutes?c. Whatare the mean and standard deviation of the shopping? time?