What is the probability of call being answered by physician

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Reference no: EM13780653

A company has started a phone service that uses overseas doctors to provide emergency medical consultations. The responding doctors are based in a country with low wages but with a highly skilled pool of physicians. Responding to each call takes on average 15 minutes. At any given time, there are 4 doctors overseas on duty. Calls arrive every 5 minutes on average (standard deviation is 5 minutes). The company receives $50 from the patient’s insurance company for each consultation. If one of the 4 overseas doctors is available, the firm pays $20 to the doctor and makes $30 in profit. If no doctor is available overseas, the call is rerouted to the U.S. where a local physician answers the question. A local physicians is always available to take a call. In this case, the firm pays the $50 to the local physician, so there’s no profit for the company.

1. What is the probability of a call being answered by a physician in the US?

2. How much does the company pay the physicians in the US over a 4 hour period?

3. What would be the additional profit per hour if the company managed to have 10 doctors overseas on duty at any given time?

Reference no: EM13780653

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