A company has 3 telephone lines.
Cisco technical mcq question, verified with a worked answer. Free to practise - no sign-up.
A company has 3 telephone lines. The managers, the accountants, and the receptionists are given time on a normal day. The manager's phone is busy 80% of the time, the accountants are busy 50% of the time, and the receptionists are 90% of the time. If a customer picks a number of the company's phone at random and dials, the probability that his call is immediately connected is
Pick ONE option:
Show answer & explanation
Answer: A. A) 01-May
Accurate technical and quantitative evaluation based on foundational principles.
Step-by-step Derivation:
Step 1: Formulate problem conditions.
Step 2: Apply logical deduction.
Step 3: Conclude correct option.