The mean life of a tire is 35,000 km. The standard deviation is 2000 km.

1. The mean life of a tire is 35,000 km. Thestandard deviation is 2000 km.a) 68%of all tires will have a life between ________ kmand ________ km.b) 95%of all tires will have a life between ________kmand ________km.c) Whatpercent of the tires will have a life that exceeds 26,000 km? d) Ifa company purchased 2000 tires, how many tires would you expect to last morethan 28 000 km?