For a single server, single queue system with an arrival rate of 6 customers per hour and a service rate of 15 customers per hour, what is the probability of zero customers in the system (to two decimal places)?
a. 0.60
b. 0.40
c. 0.90
d. Cannot be determined from the information given
a. 0.60
Business
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Which of the following is not a technology for enabling proximity marketing?
A. Lens Studio B. NFC C. BLE D. QR codes
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A. Security may be compromised. B. lack of structure and format C. unprofessional writing style D. all of these
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Which of the following ratios is calculated to determine the liquidity of a firm?
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