Renuka? Jain's Car Wash takes a constant time of 4.0 minutes in its automated car wash cycle. Autos arrive following a Poisson distribution at the rate of 9 per hour. Renuka wants to? know:
?a) The average wait time in the line ?= 3 minutes ?(round your response to two decimal? places).
?b) The average number of customers waiting in the line ?= .45 cars ?(round your response to two decimal? places).
Just show correct formulas and work. Already have correct answers