of a single of clerks to have on duty each Saturday to minimize the store's total expected cost. DISCUSSION QU number of in the system? (d) What is the av 12-11 The Rockwell Electronics Corporation retains a service crew to repair machine breakdowns that oc- cur on an average of A=3 per day (approximately Poisson in nature). get to the ticke (e) What is the pr two people in ple? More tha The crew can service an average of u8 :12-14 A university cafe self-serve facilit items they want machines per day, with a repair time distribution that resembles the exponential distribution. at the queue el is (a) What is the utilization rate of this service sys- the cashier. Stu tem? of about four pe as (b) What is the average downtime for a machine tribution. The y often tions. about 12 secon that is broken? nential distribut (c) How many machines are waiting to be serviced at any given time? (d) What is the probability that more than one machine is in the system? Probability that more (a) What is the two studen cobdi than two are broken and waiting to be repaired or being serviced? More than three? More than four? students? M egtoo St62 (b) What is the (c) How long before rea gcointp (d) What is th queue? (e) What is t (f) If a secor 12-12 From historical data, Harry's Car Wash estimates that dirty cars arrive at the rate of 10 per hour all day Saturday. With a crew working the wash line, Harry figures that cars can be cleaned at the rate of one every 5 minutes. One car at a time is cleaned in this example of a single-channel wait- ing line. T-Ile8 same pac istics co change? line and Assuming Poisson arrivals and exponential service times, find the Q12-15 The wheat west is shor of wheat to (a) average number of cars in line. b) average time a car waits before it is washed. span. Beca unload and tore has r snends in the service system. hack up for
of a single of clerks to have on duty each Saturday to minimize the store's total expected cost. DISCUSSION QU number of in the system? (d) What is the av 12-11 The Rockwell Electronics Corporation retains a service crew to repair machine breakdowns that oc- cur on an average of A=3 per day (approximately Poisson in nature). get to the ticke (e) What is the pr two people in ple? More tha The crew can service an average of u8 :12-14 A university cafe self-serve facilit items they want machines per day, with a repair time distribution that resembles the exponential distribution. at the queue el is (a) What is the utilization rate of this service sys- the cashier. Stu tem? of about four pe as (b) What is the average downtime for a machine tribution. The y often tions. about 12 secon that is broken? nential distribut (c) How many machines are waiting to be serviced at any given time? (d) What is the probability that more than one machine is in the system? Probability that more (a) What is the two studen cobdi than two are broken and waiting to be repaired or being serviced? More than three? More than four? students? M egtoo St62 (b) What is the (c) How long before rea gcointp (d) What is th queue? (e) What is t (f) If a secor 12-12 From historical data, Harry's Car Wash estimates that dirty cars arrive at the rate of 10 per hour all day Saturday. With a crew working the wash line, Harry figures that cars can be cleaned at the rate of one every 5 minutes. One car at a time is cleaned in this example of a single-channel wait- ing line. T-Ile8 same pac istics co change? line and Assuming Poisson arrivals and exponential service times, find the Q12-15 The wheat west is shor of wheat to (a) average number of cars in line. b) average time a car waits before it is washed. span. Beca unload and tore has r snends in the service system. hack up for
Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter2: Introduction To Spreadsheet Modeling
Section: Chapter Questions
Problem 20P: Julie James is opening a lemonade stand. She believes the fixed cost per week of running the stand...
Related questions
Question
12-11
Transcribed Image Text:of a single
of clerks to have on duty each Saturday to minimize
the store's total expected cost.
DISCUSSION QU
number of
in the system?
(d) What is the av
12-11 The Rockwell Electronics Corporation retains a
service crew to repair machine breakdowns that oc-
cur on an average of A=3 per day (approximately
Poisson in nature).
get to the ticke
(e) What is the
pr
two people in
ple? More tha
The crew can service an average of
u8
:12-14 A university cafe
self-serve facilit
items they want
machines per day, with a repair time distribution that
resembles the exponential distribution.
at the queue
el is
(a) What is the utilization rate of this service sys-
the cashier. Stu
tem?
of about four pe
as
(b) What is the average downtime for a machine
tribution. The
y often
tions.
about 12 secon
that is broken?
nential distribut
(c) How many machines are waiting to be serviced
at any given time?
(d) What is the probability that more than one
machine is in the system? Probability that more
(a) What is the
two studen
cobdi
than two are broken and waiting to be repaired
or being serviced? More than three? More than
four?
students? M
egtoo
St62
(b) What is the
(c) How long
before rea
gcointp
(d) What is th
queue?
(e) What is t
(f) If a secor
12-12 From historical data, Harry's Car Wash estimates
that dirty cars arrive at the rate of 10 per hour
all day Saturday. With a crew working the wash
line, Harry figures that cars can be cleaned at the
rate of one every 5 minutes. One car at a time is
cleaned in this example of a single-channel wait-
ing line.
T-Ile8
same pac
istics co
change?
line and
Assuming Poisson arrivals and exponential service
times, find the
Q12-15 The wheat
west is shor
of wheat to
(a) average number of cars in line.
b) average time a car waits before it is washed.
span. Beca
unload and
tore has
r snends in the service system.
hack up for
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