Question: Queuing: COVID-19 Testing A drive-thru COVID-19 testing facility is expected to have high demand. Patients wait in their cars in line to be tested at

Queuing: COVID-19 Testing

A drive-thru COVID-19 testing facility is expected to have high demand. Patients wait in their cars in line to be tested at one of 4 stations where nurses administer the tests. Assume there is only 1 patient per car. It takes an average of 4 minutes to administer a test. On average, 57 cars enter the line to be tested per hour. Arrivals and service times follow an exponential distribution.

On average, how many customers are waiting in line?

Round to the nearest whole number.

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