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ivann1987 [24]
3 years ago
10

Stanford Rosenberg Computing wants to establish an assembly line for producing a new product, the Personal Digital Assistant (PD

A). The tasks, task times, and immediate predecessors for the tasks are as follows:
Task Time (sec) Immediate Predecessors
A 12 -
B 15 A
C 8 A
D 5 B,C
E 20 D

Rosenberg's goal is to produce 180 PDAs per hour.

a. What is the cycle time?
b. What is the theoretical minimum for the number of work-stations that Rosenberg can achieve in this assembly line?
c. What is the idle time?
Business
1 answer:
3241004551 [841]3 years ago
8 0

Answer:

Explanation:

a. cycle time = Total time available/ production rate required

cycle time = (60*60)/180 = 3600/180 = 20sec per unit

b. theoretical minimum for the number of work-stations that Rosenberg can achieve in this assembly line.

Total task time = 12+15+8+5+20 = 60

theoretical minimum for the number of work-stations = Total task time/cycle time

theoretical minimum for the number of work-stations = 60/20 = 3stations

c. idle time

standard hour for the job is calculated as

standard hours allowed for actual production = unit produced * labor time required

The question does not contain the required information to solve it. Information such standard hours is not given.

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3 years ago
The treasurer of a major U.S. firm has $36 million to invest for three months. The interest rate in the United States is .24 per
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Answer

The answer and procedures of the exercise are attached in the following archives.

Step-by-step explanation:

You will find the procedures, formulas or necessary explanations in the archive attached below. If you have any question ask and I will aclare your doubts kindly.  

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3 years ago
Ms. Finkel has suggested that if given sufficient resources, she could redesign the production process to reduce the percentage
liubo4ka [24]

Explanation:

To find the probability that the sample which fails to meet the required weight or the standard weight of the marshmallows having banana flavor if the process of production is working, such that probability for the weekly sample leads to shutdown of the production if the process of the production is running properly of  1 % of the probability that at least five boxes out of the twenty five sample fails to meet the standard weight which is less than one percent that is  $p(x \geq 5) \leq 0.01$

We know that for p = 0.8,   $p(x \geq 5) = 0.0452$

Now using binomial simulation, we can determine that $p(x \geq 5) \leq 0.01$ for  p = 0.0452

So the production process is to be redesigned for reducing the percentage of boxes of the Go Bananas of 16 ounces which failed to meet the required weight of the marshmallows having banana flavor if the production process is working properly to 5.42 percent.

8 0
3 years ago
You get a 15% discount if you buy a new range listing at $924.95 and a new freezer listing at $12,695.95 on the same bill. What
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Answer:

a)$2,043.14

Explanation:

The discount is applicable when both items are bought together.

the total bill for the two items will be  $12,695.95 + $924.95

=$13,620.90

15% discount  of $13,620.90

=15/100 x $13,620.90

=0.15 x $13,620.90

=$2,043.135

=$2,043.14

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2 years ago
You are starting a family pizza parlor and need to buy a motorcycle for delivery orders. You have two models in mind. Model A co
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The equivalent annual costs of each model are as follows:

                                                Model A       Model B

Equivalent annual costs     $2,389.26   $3,008.47

Data and Calculations:

                                              Model A       Model B

Costs of motorcycle              $8,200        $13,600

Expected years of usage      7 years        9 years

Annual maintenance costs    $760          $740

Cost of capital = 9%

Annuity factor                       5.03295        5.99524

PV of annual maintenance  $3,825.04   $4,436.48

Total NPV of costs             $12,025.04  $18,036.48

Equivalent annual costs   $2,389.26  $3,008.47

                          ($12,025.04/5.03295)  ($18,036.48/5.99524)

Thus, the equivalent annual costs of each model are the dividend of the Total NPV costs divided by the Annuity Factor.

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