Modeling & Simulation

I need an answer ASAP fast

FIRST PART: Circle Oor tick Vonly one alternative. 1. Consider that a repair shop records monthly the number of machines brought for repair, in order to estimate the number of mechanics that need to be hired. (i) (1 mark) The number of machines brought in for repair monthly is a (a) discrete deterministic number (b) discrete stochastic number (c) continuous deterministic number (d) continuous stochastic number (ii) (112 mark) What is the state of this system? (a) number of broken machines (b) number of broken machines waiting for repair, busy/idle state for each mechanic (c) number of broken machines waiting for repair, average time to repair a broken machine (d) number of broken machines waiting for repair, number of mechanics, average time to repair a broken machine 2. For the previous question, assume that machines are brought in for repair according to a Poisson process (infinite population of machines assumption) with rate = 9 per day, and the repair time for a machine is exponentially distributed with mean = = 0.25 day. (i) (1 mark) How many mechanics the repair shop needs to keep up with their customers (the mechanics work in parallel to repair different machines)? (a) 1 mechanic (b) 2 mechanics (C) 3 mechanics (d) something else (ii) (1 mark) Based on your previous answer, what type of queueing system is the repair shop? (a) M/M/1 (b) M/M/2 (c) M/M/3 (d) M/M/4