Question

There is a set of 14 jobs in the printer queue. Two of the jobs in the queue are called job A and job B.

a) How many ways are there for the jobs to be ordered in the queue so that either job A or job B finish last?

b) How many different ways are there for the jobs to be ordered in the queue so that job A is first or job B is last or both?

Answer #1

**Answer:**

b)

Six different renovation jobs are each to be assigned to one of
four contractors.
(a) In how many ways can the six jobs be distributed among the
four contractors? Each contractor can get any number of jobs,
including the possibility that all jobs go to the same contractor.
Idea: For each job, how many options are there for who is given
that job?
(b) In how many ways can the six jobs be distributed among the
four contractors so that...

A
store has to hire two cashiers. Five are interviewed for the jobs.
How many different ways can the hiring decisions be made?

The scheduling rule that minimizes the makespan time for a set
of jobs that must be processed through a two-step system where
every job follows the same sequence through the two processes
is
A. the shortest processing time (SPT).
B. Johnson’s Rule.
C. the assignment method.
D. the minimal slack rule.

Part 3. Questions 3,4,5. [ Use Video-2 under
Scheduling heading. ]
[Note: The order of jobs in a schedule ABCDE is
1st,2nd,3rd,4th,5th,
respectively.]
Five jobs arrived to be processed with the processing times and
due dates.
Present Date=
300
Work Order
A
B
C
D
E
Processing Times (Days)
14
5
40
12
7
Due Date
167
163
195
191
161
. . .
Question 3. The FIFO schedule is “ABCDE” (where job “A” is the
first job) and the...

1) Answer each of the following problems. SHOW ALL NECESSARY
WORK to fully justify each of your answers.
a) From a box of 24 tiny dolls, A toddler selects a set of 6
dolls as her favorites . How many different ways can she make this
selection?
b) In how many different ways can the eleven players of a
football team line up to be in a photograph
c) A store has to hire two cashiers. Five people are interviewed...

[Note: The order of jobs in a schedule is
1st,2nd,3rd,4th,5th,
for A,B,C,D,E, respectively.]
The jobs A,B,C,D,E, arrived in that order to be processed on two
machines.
Job
A
B
C
D
E
Time on Machine 1
40
48
58
26
70
Time on Machine 2
37
60
56
48
72
Question 6. Which is the Johnson’s Rule schedule?
(A) ‘DBECA’ (B)
‘ACEBD’ (C) ‘DCABE’
(D) ‘DABEC’ (E) none of the above
Question 7. Consider the FIFO schedule of (A,B,C,D,E)....

find the number of different ways that a set of 10 different
cups can be shared between Indira and Meera if each receives an odd
number of cups. 1) another set consist of 6 platic cups each of
different designs and 3 china cups each of different design. find
how many ways these 9 cups can be arranged in a row if the china
cups are all separated. 2) another set of 3 identical red cups, 4
identical blue cups...

A poker deck has 13 kinds (2s, 3s, ... , Kings, Aces) and 4
suits (Spades, Hearts, Clubs, Diamonds). Leave Factorials and
products in the answers.
1. In how many ways can the cards be ordered if
a) Four Aces, in any order come first, then four kinds, in any
order come second, ect.?
b) Four Aces, in any order, stay together, and the Four Kings,
in any order, stay together, ect.? Briefly explain in a sentence or
two. [So...

how many strings of length 14 of lower case letters
from the English alphabet can be formed, if the first two letters
cannot Abe both vowels and the last letter must be a consonant?

Consider the following set of jobs to be scheduled for
execution on a single CPU system.
Job
Arrival Time
Burst (msec)
Priority
A
0
6
3 (Silver)
B
1
2
1 (Diamond)
C
3
5
3 (Silver)
D
5
3
4 (Bronze)
E
7
2
2 (Gold)
(a) Draw a Gantt chart
showing First-Come-First-Served (FCFS) scheduling , Premtive
PRIORITY Sheduling, Highest Response ratio Next (HRRN) and Round
Robin(quantum=4).
I need this in half hour

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