Exercises 29 through 32 refer to a project consisting of 11 tasks (A through K) with the following processing times (in hours): A ( 10 ) , B ( 7 ) , C ( 11 ) , D ( 8 ) , E ( 9 ) , F ( 5 ) , G ( 3 ) , H ( 6 ) , I ( 4 ) , J ( 7 ) , K ( 5 ) . a. Explain why a schedule with N = 10 processors must have finishing time Fin ≥ 11 hours. b. Explain why it doesn’t make sense to put more than 10 processors on this project.
Exercises 29 through 32 refer to a project consisting of 11 tasks (A through K) with the following processing times (in hours): A ( 10 ) , B ( 7 ) , C ( 11 ) , D ( 8 ) , E ( 9 ) , F ( 5 ) , G ( 3 ) , H ( 6 ) , I ( 4 ) , J ( 7 ) , K ( 5 ) . a. Explain why a schedule with N = 10 processors must have finishing time Fin ≥ 11 hours. b. Explain why it doesn’t make sense to put more than 10 processors on this project.
Solution Summary: The author explains that a schedule with N=10 processors must have finishing time for the given tasks because the task C requires 11 hours to complete.
Exercises 29through 32 refer to a project consisting of 11 tasks (A through K) with the following processing times (in hours):
A
(
10
)
,
B
(
7
)
,
C
(
11
)
,
D
(
8
)
,
E
(
9
)
,
F
(
5
)
,
G
(
3
)
,
H
(
6
)
,
I
(
4
)
,
J
(
7
)
,
K
(
5
)
.
a. Explain why a schedule with
N
=
10
processors must have finishing time
Fin
≥
11
hours.
b. Explain why it doesn’t make sense to put more than 10 processors on this project.
An Jibble is produced on an assembly line consisting of six workstations. The total work content for one Jibble is 22 minutes based on the following standard times set forth for each station: 1 (4.0 minutes), 2 (6.5 minutes), 3 (4.0 minutes), 4 (2.5 minutes), 5 (2.0 minutes), 6 (3.0 minutes). If this assembly line runs 5 days per week, 8 hours per day and each station operator operates at 120% of standard, how many Jibbles can be produced in a week?
a.
Greater than or equal to 600 units.
b.
Greater than or equal to 500 units but less than 600 units.
c.
Less than 400 units.
d.
Greater than or equal to 400 units but less than 500 units.
AJ’s sleep pattern had been fluctuating due to stress and diet, so he started to keep a diary of how many hours he slept each night. On the 4th night after he started the diary, AJ slept 9.4 hours, which was the most sleep he got any night. Gradually, he got less sleep each successive night until, on the 18th night after he started the diary, AJ slept 6.2 hours, which was the least sleep he got any night. After keeping his diary for 6 months, he realized that the number of hours he got each night followed a sinusoidal curve. Let t be the number of nights since he started his diary, and s be how many hours he slept that night. It may be helpful to draw a crude sketch of the sleep time function and label the known t − and s − values on it. POSITIVE or NEGATIVE SIN or COS Maximum s − value = Minimum s − value = ______________ ______________ Middle s − value = ______________ = D Amplitude = ______________ = A ⇒ B = ______________ Given the crude sketch of the height function, the…
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