Reference no: EM1322824
Q1) According to Information Please Almanac. 80% of adult smokers started smoking before turning 18 years of age. Assume 10 smokers, 18 years of age or older are randomly selected and number of smokers who started smoking before 18 is recorded.
i) Find the probability that exactly 8 of them started smoking before 18 years of age.
ii) Find the probability that at least 8 of them started smoking before 18 years of age.
Q2) Which of the given is not true regarding simulation of waiting line system?
a) Arrivals to the system may be constant or may vary probabilistically.
b) Goal of the simulation is to determine waiting line design that balances average demand with average service rate.
c) Service times vary probabilistically.
d) Important issue in designing waiting line system involves the tradeoffs between customer waiting and system cost.
Q3) Entities arrive at single-server queuing system at average of 4 per hour and server can service average of 5 per hour. Mean in the queue is
a) 0.8
b) 1.0
c) 4.0
d) 3.2
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