Decision Science | Chapter 3 | Part 1 | MBA MCQs | DS

Decision Science MCQ

  

 

1. The passenger and the train in queueing system describers_________ .
   1.   Customer and server.
   2.   Server and customer.
   3.   None of these.
   4.   Both server.
2. If the injured goes to doctor for treatment then in queueing system the
   doctor and injured are respectively____________ .
   1.   Customer and server.
   2.   Server and customer.
   3.   Both server.
   4.   None of these
3. Under the exponential assumptions the probability that an event occur in
   sufficient small interval is ____________.
   1.   Greater than one.
   2.   Less than one.
   3.   Equals to one.
   4.   .None of these.
4. Under the exponential assumption, the probability that an event will occur in sufficient small interval is________________
   1.   Always positive.
   2.   Always negative.
   3.   Always Zero .
   4.   None of these.
5. The interarrival time is 10 minutes the arrival rate is ________
   1.   8
   2.   1/10.
   3.   3
   4.   2
6. Let p be the probability that an arrival occurs in Δ t =0 under exponential
   assumptions___________.
   1.   0≤p≤1.
   2.   0<p≤1.
   3.   0<p<1.
   4.   0≤1<1.
7. The mean and standard deviation of exponential distribution are _________.
   1.   Equal.
   2.   Mean>s. d.
   3.   Mean< s. d.
   4.   None of these.
8. Let q be the probability that no arrival occur in Δt=0 under exponential
   assumption is ________.
   1.   0≤q≤1.
   2.   0<q<1
   3.   0≤q<1
   4.   0<q≤1
9. If the rate of birth is 12 per minute. Then the average number of birth per
   year is __________.
   1.   43800.
   2.   None of these .
   3.   40000
   4.   45000.
10. If the interarrival time is exponential with mean 1/ ג eht Number of arrivals in (0,t) is___________.
    1.   Poisson distributed.
    2.   Exponential distributed .
    3.   Binomial distributed
    4.   None of these
11. The inter departure time , corresponding to truncated Poisson distribution in a
    pure death model is ___________.
    1.   Exponential distributed .
    2.   Poisson distributed
    3.   Binomial distributed.
    4.   None of these.
12. The arrival of customer(with no departure) in system, in queueing theory can
    be stated as__________.
    1.   The pure birth process.
    2.   The pure death process.
    3.   The birth death process.
    4.   None of these.
13. The withdrawal of items from certain in ventory without refilling in queueing
    systems can be stated as __________.
    1.   The pure birth process.
    2.   The pure death process.
    3.   The birth death process.
    4.   None of these .
14. The arrival and departure of quests in a hotel in queueing systems can be stated as ________.
    1.   The pure birth process.
    2.   The birth death process.
    3.   None of these.
    4.   The pure death process.
15. In certain situation the customer arrives from one gate and departure takes from another gate. This situation of incoming and outgoing can be stated as _________.
    1.   The pure birth process.
    2.   The birth death process.
    3.   None of these.
    4.   The pure death process.
16. There are N inventories in the system, one by one all the inventories are
    consumed with replacing the inventories. This process is stated as_____________.
    1.   The pure birth process.
    2.   The birth death process.
    3.   None of these.
    4.   The pure death process.
17. The departure and arrivals in queuing system are normally considered
    respectively M/M/1 the arrival and departure distribution are_____________.
    1.   Both Markovian .
    2.   . Binomial.
    3.   General
    4.   None of these.
18. In queue description M/M/1, the number of servers are _____________.
    1.   1.
    2.   M
    3.   2
    4.   None of these
19. Consider the situation, when no server is working, then the number of
    customers in the system are___________.
    1.   Equal to number of customers in queue.
    2.   Less than number of customers in queue.
    3.   None of these.
    4.   More than number of customers in queue.
20. On a certain day, number of customers in a system are 20,and number of
    customer in service are 12,the number of customers waiting for service are
    ________.
    1.   10
    2.   8
    3.   20
    4.   None of these.