The operation Management Computer Lab has two student software statistical package assigment assistant. The student form a single line to wait for Help From the computer laboratory assistant. The student are Help es first come , first served. On the average student arrive for help, following a triangular distribution (x1=5, y=0),(x2=15, y2=?) minutes. Each computer laboratory assistant , on the average can help 1 student per 15 minute (add all the Numbers im your student ID) minutes and the service este follow an exponential distribution. Develop the service equation using the inverse Transformation method.

A. ST. -15ln(R)

B. ST. =-1/15ln(1-R)

C. ST =-8ln(1-R)

D. ST=-15ln(1-R)