Set 10 due today - PowerPoint PPT Presentation

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Set 10 due today

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(1)(a)L=4 people in drug store (1)(b)Lq. Lq = 24*24 30(30-24) Lq= 3.2 ... Interpret: W = 10 minutes from time you enter drug store until time you leave (1)(d) Wq ... – PowerPoint PPT presentation

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Title: Set 10 due today


1
Set 10 due today
  • Also c-5 due today
  • Thurs (May 16) deadline for late homework
    (todays assignments under door BB 4133 Friday
    before 3PM)
  • Final exam Tues May 21 530-730
  • 2 sheets of notes, Scantron
  • Sets 1,9,10C-1short answer, mult choice

2
ANSWERS set 10
  • WAIT LINE

3
(No Transcript)
4
L24 30-24
  • (1)(a)L4 people in drug store

5
(1)(b)Lq
  • Lq 2424
    30(30-24)
  • Lq 3.2
  • people waiting for service

6
(1)(c) W 1 30-24
  • W.167 hr
  • Interpret W 10 minutes from time you enter
    drug store until time you leave

7
(1)(d) Wq
  • Wq 24

    30(30-24)
  • Wq .13 hour
  • Interpret 8 minutes before service

8
(1)(e) U24/30.80
  • 80 efficiency
  • P(server busy)

9
(1)(f) Po1-.8.2
  • P(no waiting)

10
(2) Cost of Waiting
  • Av 3 customers arrive per hour(given)
  • 10 hours per day(given)
  • You compute 30 customers/day
  • Cost of waiting 5 per hour(given)

11
WAIT COST
12
Labor Cost
13
Total Cost
14
(3) SIMULATION
15
(3) MAXIMUM UNLOADED
16
FIRST 5 DAYS RN
17
delay
  • Case 1 Demand gt Supply
    Delay Demand Supply
  • Case 2 Demand lt Supply
    Delay 0
  • Next slide Demand 2B UNL
    Supply UNL

18
FIRST 5 DAYS
19
DAYS 6-10
20
DAYS 11-15
21
Av number delayed per day
  • Total delayed 1221 6
  • Number of days 15
  • Av 6/15 0.4
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