The average time a student spends in the pharmacy is to be calculated if he or she stays to pick up the Rx. Concept Introduction: The entire process is built up of four steps — Drop-off, Fill, Pickup, and Paying the Cashier. Students have an option to leave the system after they drop their Rx and re-join at the time of pickup three hours later. When the students leave the system after dropping the Rx, the Rx only moves in the system from filling to pickup. After the pickup, however, the flow units become student and Rx both together. Any flow unit, when flows through a process, follows L’s Law which states that the Work in Progress and given by, Work In Progress ( I ) = Flow Time ( T ) × Throughput ( R )

Question

It is January 1 of year 0, and Merck is trying to determine whether to continue development of a newdrug. The following information is relevant. You can assume that all cash flows occur at the ends of therespective years.■ Clinical trials (the trials where the drug is tested on humans) are equally likely to be completed in year1 or 2.■ There is an 80% chance that clinical trials will succeed. If these trials fail, the FDA will not allow thedrug to be marketed.■ The cost of clinical trials is assumed to follow a triangular distribution with best case $100 million,most likely case $150 million, and worst case $250 million. Clinical trial costs are incurred at the end ofthe year clinical trials are completed.■ If clinical trials succeed, the drug will be sold for five years, earning a profit of $6 per unit sold.■ If clinical trials succeed, a plant will be built during the same year trials are completed. The cost of theplant is assumed to follow a triangular distribution with best case $1…

Answer 1

Question

Chapter 7, Problem 14PA

(a)

Summary Introduction

Interpretation: The average time a student spends in the pharmacy is to be calculated if he or she stays to pick up the Rx.

Concept Introduction:

The entire process is built up of four steps — Drop-off, Fill, Pickup, and Paying the Cashier. Students have an option to leave the system after they drop their Rx and re-join at the time of pickup three hours later. When the students leave the system after dropping the Rx, the Rx only moves in the system from filling to pickup. After the pickup, however, the flow units become student and Rx both together.

Any flow unit, when flows through a process, follows L’s Law which states that the Work in Progress and given by,

Work In Progress(I)=Flow Time(T)×Throughput(R)

(b)

Summary Introduction

Interpretation: The number of minutes does the student spends in the pharmacy is to be calculated if he or she picks up the Rx three hours later.

Concept Introduction:

The entire process is built up of four steps — Drop-off, Fill, Pickup, and Paying the Cashier. Students have an option to leave the system after they drop their Rx and re-join at the time of pickup three hours later. When the students leave the system after dropping the Rx, the Rx only moves in the system from filling to pickup. After the pickup, however, the flow units become student and Rx both together.

The number of minutes does the student spends in the pharmacy if he or she picks up the Rx three hours later will be the difference of total flow time and flow time of fill Rx.

(c)

Summary Introduction

Interpretation: The average time spend by students in the pharmacy is to be calculated.

Concept Introduction:

The entire process is built up of four steps — Drop-off, Fill, Pickup, and Paying the Cashier. Students have an option to leave the system after they drop their Rx and re-join at the time of pickup three hours later. When the students leave the system after dropping the Rx, the Rx only moves in the system from filling to pickup. After the pickup, however, the flow units become student and Rx both together.

The average time a student spends in the system will be the weighted average considering the percentage of two categories of students.

(d)

Summary Introduction

Interpretation: The average time that the Rx spends in the process is to be calculated and the time is to be counted from entering the drop-off line to completing payment.

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It is January 1 of year 0, and Merck is trying to determine whether to continue development of a newdrug. The following information is relevant. You can assume that all cash flows occur at the ends of therespective years.■ Clinical trials (the trials where the drug is tested on humans) are equally likely to be completed in year1 or 2.■ There is an 80% chance that clinical trials will succeed. If these trials fail, the FDA will not allow thedrug to be marketed.■ The cost of clinical trials is assumed to follow a triangular distribution with best case $100 million,most likely case $150 million, and worst case $250 million. Clinical trial costs are incurred at the end ofthe year clinical trials are completed.■ If clinical trials succeed, the drug will be sold for five years, earning a profit of $6 per unit sold.■ If clinical trials succeed, a plant will be built during the same year trials are completed. The cost of theplant is assumed to follow a triangular distribution with best case $1…

1) Under “Costs of Quality”, costs associated with quality can be classified into four categories: appraisal, prevention, internal failures, and external failures. The costs of quality for Corley Motors Logistics is given in the table. Cost Elements Amount Checking outbound boxes for errors $31,000 Quality planning $10,625 Downtime due to conveyor/computer problems $342,125 Incoming product inspection $21,000 Customer complaint rework $33,000 Correcting erroneous orders before shipping $36,550 Quality training of associates $25,925 Correction of typographical errors--pick tickets $11,475 a) Classify the quality cost elements given in the table into the different quality cost categories (prevention, appraisal, internal failure, external failure). b) Total the quality costs in each of the different quality cost categories (prevention, appraisal, internal failure, external failure). c) Using a) and b), suggest which areas…

Note: In chapter 9, section 9.4 of the Stevenson text, the costs of quality are covered; chapter 9 Stevenson lecture power point slide 7 touches upon this topic; see lecture video, 3.55 mins to 4.54 mins. 2) The production process at Hansa Ceylon Coffee fills boxes with dark arabica coffee. The data for the fill weight (in ounces) of eight samples are presented below. A sample size of six was used. The firm’s operations analyst wants to construct X-bar and R-charts to monitor the filling process. Sample Sample Mean Sample Range 1 15.80 0.42 2 16.10 0.38 3 16.02 0.08 4 15.95 0.15 5 16.12 0.42 6 16.18 0.23 7 15.87 0.36 8 16.20 0.40 a) Calculate the upper and lower control limits for the X-bar chart. b) Calculate the upper and lower control limits for the R chart. c) Is the process under control? Why or why not? Note: In chapter 10, section 10.3 of the Stevenson text, control charts for variables are…

Answer 2

Question

Chapter 7, Problem 14PA

(a)

Summary Introduction

Interpretation: The average time a student spends in the pharmacy is to be calculated if he or she stays to pick up the Rx.

Concept Introduction:

The entire process is built up of four steps — Drop-off, Fill, Pickup, and Paying the Cashier. Students have an option to leave the system after they drop their Rx and re-join at the time of pickup three hours later. When the students leave the system after dropping the Rx, the Rx only moves in the system from filling to pickup. After the pickup, however, the flow units become student and Rx both together.

Any flow unit, when flows through a process, follows L’s Law which states that the Work in Progress and given by,

Work In Progress(I)=Flow Time(T)×Throughput(R)

(b)

Summary Introduction

Interpretation: The number of minutes does the student spends in the pharmacy is to be calculated if he or she picks up the Rx three hours later.

Concept Introduction:

The entire process is built up of four steps — Drop-off, Fill, Pickup, and Paying the Cashier. Students have an option to leave the system after they drop their Rx and re-join at the time of pickup three hours later. When the students leave the system after dropping the Rx, the Rx only moves in the system from filling to pickup. After the pickup, however, the flow units become student and Rx both together.

The number of minutes does the student spends in the pharmacy if he or she picks up the Rx three hours later will be the difference of total flow time and flow time of fill Rx.

(c)

Summary Introduction

Interpretation: The average time spend by students in the pharmacy is to be calculated.

Concept Introduction:

The entire process is built up of four steps — Drop-off, Fill, Pickup, and Paying the Cashier. Students have an option to leave the system after they drop their Rx and re-join at the time of pickup three hours later. When the students leave the system after dropping the Rx, the Rx only moves in the system from filling to pickup. After the pickup, however, the flow units become student and Rx both together.

The average time a student spends in the system will be the weighted average considering the percentage of two categories of students.

(d)

Summary Introduction

Interpretation: The average time that the Rx spends in the process is to be calculated and the time is to be counted from entering the drop-off line to completing payment.

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Answer 3

Question

Chapter 7, Problem 14PA

(a)

Summary Introduction

Interpretation: The average time a student spends in the pharmacy is to be calculated if he or she stays to pick up the Rx.

Concept Introduction:

The entire process is built up of four steps — Drop-off, Fill, Pickup, and Paying the Cashier. Students have an option to leave the system after they drop their Rx and re-join at the time of pickup three hours later. When the students leave the system after dropping the Rx, the Rx only moves in the system from filling to pickup. After the pickup, however, the flow units become student and Rx both together.

Any flow unit, when flows through a process, follows L’s Law which states that the Work in Progress and given by,

Work In Progress(I)=Flow Time(T)×Throughput(R)

(b)

Summary Introduction

Interpretation: The number of minutes does the student spends in the pharmacy is to be calculated if he or she picks up the Rx three hours later.

Concept Introduction:

The entire process is built up of four steps — Drop-off, Fill, Pickup, and Paying the Cashier. Students have an option to leave the system after they drop their Rx and re-join at the time of pickup three hours later. When the students leave the system after dropping the Rx, the Rx only moves in the system from filling to pickup. After the pickup, however, the flow units become student and Rx both together.

The number of minutes does the student spends in the pharmacy if he or she picks up the Rx three hours later will be the difference of total flow time and flow time of fill Rx.

(c)

Summary Introduction

Interpretation: The average time spend by students in the pharmacy is to be calculated.

Concept Introduction:

The entire process is built up of four steps — Drop-off, Fill, Pickup, and Paying the Cashier. Students have an option to leave the system after they drop their Rx and re-join at the time of pickup three hours later. When the students leave the system after dropping the Rx, the Rx only moves in the system from filling to pickup. After the pickup, however, the flow units become student and Rx both together.

The average time a student spends in the system will be the weighted average considering the percentage of two categories of students.

(d)

Summary Introduction

Interpretation: The average time that the Rx spends in the process is to be calculated and the time is to be counted from entering the drop-off line to completing payment.

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Answer 4

Question

Chapter 7, Problem 14PA

(a)

Summary Introduction

Interpretation: The average time a student spends in the pharmacy is to be calculated if he or she stays to pick up the Rx.

Concept Introduction:

The entire process is built up of four steps — Drop-off, Fill, Pickup, and Paying the Cashier. Students have an option to leave the system after they drop their Rx and re-join at the time of pickup three hours later. When the students leave the system after dropping the Rx, the Rx only moves in the system from filling to pickup. After the pickup, however, the flow units become student and Rx both together.

Any flow unit, when flows through a process, follows L’s Law which states that the Work in Progress and given by,

Work In Progress(I)=Flow Time(T)×Throughput(R)

(b)

Summary Introduction

Interpretation: The number of minutes does the student spends in the pharmacy is to be calculated if he or she picks up the Rx three hours later.

Concept Introduction:

The entire process is built up of four steps — Drop-off, Fill, Pickup, and Paying the Cashier. Students have an option to leave the system after they drop their Rx and re-join at the time of pickup three hours later. When the students leave the system after dropping the Rx, the Rx only moves in the system from filling to pickup. After the pickup, however, the flow units become student and Rx both together.

The number of minutes does the student spends in the pharmacy if he or she picks up the Rx three hours later will be the difference of total flow time and flow time of fill Rx.

(c)

Summary Introduction

Interpretation: The average time spend by students in the pharmacy is to be calculated.

Concept Introduction:

The entire process is built up of four steps — Drop-off, Fill, Pickup, and Paying the Cashier. Students have an option to leave the system after they drop their Rx and re-join at the time of pickup three hours later. When the students leave the system after dropping the Rx, the Rx only moves in the system from filling to pickup. After the pickup, however, the flow units become student and Rx both together.

The average time a student spends in the system will be the weighted average considering the percentage of two categories of students.

(d)

Summary Introduction

Interpretation: The average time that the Rx spends in the process is to be calculated and the time is to be counted from entering the drop-off line to completing payment.

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Answer 5

Chapter 7, Problem 14PA

(a)

Summary Introduction

Interpretation: The average time a student spends in the pharmacy is to be calculated if he or she stays to pick up the Rx.

Concept Introduction:

The entire process is built up of four steps — Drop-off, Fill, Pickup, and Paying the Cashier. Students have an option to leave the system after they drop their Rx and re-join at the time of pickup three hours later. When the students leave the system after dropping the Rx, the Rx only moves in the system from filling to pickup. After the pickup, however, the flow units become student and Rx both together.

Any flow unit, when flows through a process, follows L’s Law which states that the Work in Progress and given by,

Work In Progress(I)=Flow Time(T)×Throughput(R)

(b)

Summary Introduction

Interpretation: The number of minutes does the student spends in the pharmacy is to be calculated if he or she picks up the Rx three hours later.

Concept Introduction:

The entire process is built up of four steps — Drop-off, Fill, Pickup, and Paying the Cashier. Students have an option to leave the system after they drop their Rx and re-join at the time of pickup three hours later. When the students leave the system after dropping the Rx, the Rx only moves in the system from filling to pickup. After the pickup, however, the flow units become student and Rx both together.

The number of minutes does the student spends in the pharmacy if he or she picks up the Rx three hours later will be the difference of total flow time and flow time of fill Rx.

(c)

Summary Introduction

Interpretation: The average time spend by students in the pharmacy is to be calculated.

Concept Introduction:

The entire process is built up of four steps — Drop-off, Fill, Pickup, and Paying the Cashier. Students have an option to leave the system after they drop their Rx and re-join at the time of pickup three hours later. When the students leave the system after dropping the Rx, the Rx only moves in the system from filling to pickup. After the pickup, however, the flow units become student and Rx both together.

The average time a student spends in the system will be the weighted average considering the percentage of two categories of students.

(d)

Summary Introduction

Interpretation: The average time that the Rx spends in the process is to be calculated and the time is to be counted from entering the drop-off line to completing payment.

Answer 6

Chapter 7, Problem 14PA

(a)

Summary Introduction

Interpretation: The average time a student spends in the pharmacy is to be calculated if he or she stays to pick up the Rx.

Concept Introduction:

The entire process is built up of four steps — Drop-off, Fill, Pickup, and Paying the Cashier. Students have an option to leave the system after they drop their Rx and re-join at the time of pickup three hours later. When the students leave the system after dropping the Rx, the Rx only moves in the system from filling to pickup. After the pickup, however, the flow units become student and Rx both together.

Any flow unit, when flows through a process, follows L’s Law which states that the Work in Progress and given by,

Work In Progress(I)=Flow Time(T)×Throughput(R)

Answer 7

Chapter 7, Problem 14PA

(a)

Summary Introduction

Interpretation: The average time a student spends in the pharmacy is to be calculated if he or she stays to pick up the Rx.

Concept Introduction:

The entire process is built up of four steps — Drop-off, Fill, Pickup, and Paying the Cashier. Students have an option to leave the system after they drop their Rx and re-join at the time of pickup three hours later. When the students leave the system after dropping the Rx, the Rx only moves in the system from filling to pickup. After the pickup, however, the flow units become student and Rx both together.

Any flow unit, when flows through a process, follows L’s Law which states that the Work in Progress and given by,

Work In Progress(I)=Flow Time(T)×Throughput(R)

Answer 8

(b)

Summary Introduction

Interpretation: The number of minutes does the student spends in the pharmacy is to be calculated if he or she picks up the Rx three hours later.

Concept Introduction:

The entire process is built up of four steps — Drop-off, Fill, Pickup, and Paying the Cashier. Students have an option to leave the system after they drop their Rx and re-join at the time of pickup three hours later. When the students leave the system after dropping the Rx, the Rx only moves in the system from filling to pickup. After the pickup, however, the flow units become student and Rx both together.

The number of minutes does the student spends in the pharmacy if he or she picks up the Rx three hours later will be the difference of total flow time and flow time of fill Rx.

Answer 9

(b)

Summary Introduction

Interpretation: The number of minutes does the student spends in the pharmacy is to be calculated if he or she picks up the Rx three hours later.

Concept Introduction:

The entire process is built up of four steps — Drop-off, Fill, Pickup, and Paying the Cashier. Students have an option to leave the system after they drop their Rx and re-join at the time of pickup three hours later. When the students leave the system after dropping the Rx, the Rx only moves in the system from filling to pickup. After the pickup, however, the flow units become student and Rx both together.

The number of minutes does the student spends in the pharmacy if he or she picks up the Rx three hours later will be the difference of total flow time and flow time of fill Rx.

Answer 10

(c)

Summary Introduction

Interpretation: The average time spend by students in the pharmacy is to be calculated.

Concept Introduction:

The entire process is built up of four steps — Drop-off, Fill, Pickup, and Paying the Cashier. Students have an option to leave the system after they drop their Rx and re-join at the time of pickup three hours later. When the students leave the system after dropping the Rx, the Rx only moves in the system from filling to pickup. After the pickup, however, the flow units become student and Rx both together.

The average time a student spends in the system will be the weighted average considering the percentage of two categories of students.

Answer 11

(c)

Summary Introduction

Interpretation: The average time spend by students in the pharmacy is to be calculated.

Concept Introduction:

The entire process is built up of four steps — Drop-off, Fill, Pickup, and Paying the Cashier. Students have an option to leave the system after they drop their Rx and re-join at the time of pickup three hours later. When the students leave the system after dropping the Rx, the Rx only moves in the system from filling to pickup. After the pickup, however, the flow units become student and Rx both together.

The average time a student spends in the system will be the weighted average considering the percentage of two categories of students.

Answer 12

(d)

Summary Introduction

Interpretation: The average time that the Rx spends in the process is to be calculated and the time is to be counted from entering the drop-off line to completing payment.

Answer 13

(d)

Summary Introduction

Interpretation: The average time that the Rx spends in the process is to be calculated and the time is to be counted from entering the drop-off line to completing payment.

Answer 14

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Ch. 7 - Prob. 1DQ Ch. 7 - Prob. 2DQ Ch. 7 - Prob. 3DQ Ch. 7 - Prob. 4DQ Ch. 7 - Prob. 5DQ Ch. 7 - Prob. 1PA Ch. 7 - Prob. 2PA Ch. 7 - Prob. 3PA Ch. 7 - Prob. 4PA Ch. 7 - Prob. 5PA

Solution Summary: The author explains that the average time a student spends in the pharmacy is to be calculated if he or she stays to pick up the Rx.

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Interpretation: The average time that the Rx spends in the process is to be calculated and the time is to be counted from entering the drop-off line to completing payment.

Chapter 7 Solutions