Q1. A compary must respond to the requirements of the customer. For this purpose; 2.000 unit of products should be produced and delivered to the customers in a day. Each day 50 customers request. products from the company (arrival rate) and its daily production capacity 70 units. Please compute: a. The probabitity of zero customer in the system d. Average time spending by a customer in the b. The probability of n number customer in the waiting line system. c. Average time spending by a customer in the queuing line