Tourists stop at an information desk at a rate of one every 15 minutes, and answering their questions takes an average of 2.857 minutes each. There are 9 employees on duty. If a tourist isn't served immediately, how long on average would the tourist have to wait for service? O a. 1.937 minutes Ob. 5.6 minutes Oc. 7 minutes O d. 2.8 minutes

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Tourists stop at an information desk at a rate of one every 15 minutes, and answering their questions takes an average of 2.857 minutes each. There are 9 employees on duty.
If a tourist isn't served immediately, how long on average would the tourist have to wait for service?
O a. 1.937 minutes
Ob.
5.6 minutes
Oc.
7 minutes
O d. 2.8 minutes
Transcribed Image Text:Tourists stop at an information desk at a rate of one every 15 minutes, and answering their questions takes an average of 2.857 minutes each. There are 9 employees on duty. If a tourist isn't served immediately, how long on average would the tourist have to wait for service? O a. 1.937 minutes Ob. 5.6 minutes Oc. 7 minutes O d. 2.8 minutes
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