posted twice both were wrong help pls

is houn. Moswir the following questions, assuming that, Gubser uses one wetder to complete ail jobs. (a). What is the man arrival rate in jobs per heur? (Nound your ansiner to four decimal places.) x per hour (b) What is the mean service rate th jobs per hour? (Round your anser to four decinul places.) x per how (c) What is the avtroge fumber of Jobs waing for service? (Round vour answer to four decimal places.) x