Past record indicate that each laser computer printer needs repair after about 24 hours of use. Breakdowns have been dete duty can service a printer in an average of 2 hour, following an exponential distribution. Assume infinite population. On aver Oa. 1 printer Ob. 12 printers explotes Od.0 printer ined to be Poisson distributed. The one technician on e, how many printers will be waiting in line?