The probability that the satellite will function for more than 9 years. Introduction: Mean time between failures (MTBF): The mean time between failures is a term which denotes the time that is elapsed between the first failure of a product and the second failure of a product. It is calculated during the normal system operation.

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Answer 1

Question

Chapter 4.S, Problem 15P

a)

Summary Introduction

To determine: The probability that the satellite will function for more than 9 years.

Introduction:

Mean time between failures (MTBF):

The mean time between failures is a term which denotes the time that is elapsed between the first failure of a product and the second failure of a product. It is calculated during the normal system operation.

b)

Summary Introduction

To determine: The probability that the satellite will function for less than 12 years.

Introduction:

Mean time between failures (MTBF):

The mean time between failures is a term which denotes the time that is elapsed between the first failure of a product and the second failure of a product. It is calculated during the normal system operation.

c)

Summary Introduction

To determine: The probability that the satellite will function for more than 9 years but less than 12 years.

Introduction:

Mean time between failures (MTBF):

The mean time between failures is a term which denotes the time that is elapsed between the first failure of a product and the second failure of a product. It is calculated during the normal system operation.

d)

Summary Introduction

To determine: The probability that the satellite will function for at least 21 years.

Introduction:

Mean time between failures (MTBF):

The mean time between failures is a term which denotes the time that is elapsed between the first failure of a product and the second failure of a product. It is calculated during the normal system operation.

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Scenario You have been given a task to create a demand forecast for the second year of sales of a premium outdoor grill. Accurate forecasts are important for many reasons, including for the company to ensure they have the materials they need to create the products required in a certain period of time. Your objective is to minimize the forecast error, which will be measured using the Mean Absolute Percentage Error (MAPE) with a goal of being below 25%. You have historical monthly sales data for the past year and access to software that provides forecasts based on five different forecasting techniques (Naïve, 3-Month Moving Average, Exponential Smoothing for .2, Exponential Smooth for .5, and Seasonal) to help determine the best forecast for that particular month. Based on the given data, you will identify trends and patterns to create a more accurate forecast. Approach Consider the previous month's forecast to identify which technique is most effective. Use that to forecast the next…

Approach Consider the previous month's forecast to identify which technique is most effective. Use that to forecast the next month. Remember to select the forecasting technique that produces the forecast error nearest to zero. For example: a. Naïve Forecast is 230 and the Forecast Error is -15. b. 3-Month Moving Forecast is 290 and the Forecast Error is -75. c. Exponential Smoothing Forecast for .2 is 308 and the Forecast Error is -93. d. Exponential Smoothing Forecast for .5 is 279 and the Forecast Error is -64. e. Seasonal Forecast is 297 and the Forecast Error is -82. The forecast for the next month would be 230 as the Naïve Forecast had the Forecast Error closest to zero with a -15. This forecasting technique was the best performing technique for that month. You do not need to do any external analysis-the forecast error for each strategy is already calculated for you in the tables below. Naïve Month Period Actual Demand Naïve Forecast Error 3- Month Moving Forecast 3- Month Moving…

Answer 2

Question

Chapter 4.S, Problem 15P

a)

Summary Introduction

To determine: The probability that the satellite will function for more than 9 years.

Introduction:

Mean time between failures (MTBF):

The mean time between failures is a term which denotes the time that is elapsed between the first failure of a product and the second failure of a product. It is calculated during the normal system operation.

b)

Summary Introduction

To determine: The probability that the satellite will function for less than 12 years.

Introduction:

Mean time between failures (MTBF):

The mean time between failures is a term which denotes the time that is elapsed between the first failure of a product and the second failure of a product. It is calculated during the normal system operation.

c)

Summary Introduction

To determine: The probability that the satellite will function for more than 9 years but less than 12 years.

Introduction:

Mean time between failures (MTBF):

The mean time between failures is a term which denotes the time that is elapsed between the first failure of a product and the second failure of a product. It is calculated during the normal system operation.

d)

Summary Introduction

To determine: The probability that the satellite will function for at least 21 years.

Introduction:

Mean time between failures (MTBF):

The mean time between failures is a term which denotes the time that is elapsed between the first failure of a product and the second failure of a product. It is calculated during the normal system operation.

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Answer 3

Question

Chapter 4.S, Problem 15P

a)

Summary Introduction

To determine: The probability that the satellite will function for more than 9 years.

Introduction:

Mean time between failures (MTBF):

The mean time between failures is a term which denotes the time that is elapsed between the first failure of a product and the second failure of a product. It is calculated during the normal system operation.

b)

Summary Introduction

To determine: The probability that the satellite will function for less than 12 years.

Introduction:

Mean time between failures (MTBF):

The mean time between failures is a term which denotes the time that is elapsed between the first failure of a product and the second failure of a product. It is calculated during the normal system operation.

c)

Summary Introduction

To determine: The probability that the satellite will function for more than 9 years but less than 12 years.

Introduction:

Mean time between failures (MTBF):

The mean time between failures is a term which denotes the time that is elapsed between the first failure of a product and the second failure of a product. It is calculated during the normal system operation.

d)

Summary Introduction

To determine: The probability that the satellite will function for at least 21 years.

Introduction:

Mean time between failures (MTBF):

The mean time between failures is a term which denotes the time that is elapsed between the first failure of a product and the second failure of a product. It is calculated during the normal system operation.

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Answer 4

Question

Chapter 4.S, Problem 15P

a)

Summary Introduction

To determine: The probability that the satellite will function for more than 9 years.

Introduction:

Mean time between failures (MTBF):

The mean time between failures is a term which denotes the time that is elapsed between the first failure of a product and the second failure of a product. It is calculated during the normal system operation.

b)

Summary Introduction

To determine: The probability that the satellite will function for less than 12 years.

Introduction:

Mean time between failures (MTBF):

The mean time between failures is a term which denotes the time that is elapsed between the first failure of a product and the second failure of a product. It is calculated during the normal system operation.

c)

Summary Introduction

To determine: The probability that the satellite will function for more than 9 years but less than 12 years.

Introduction:

Mean time between failures (MTBF):

The mean time between failures is a term which denotes the time that is elapsed between the first failure of a product and the second failure of a product. It is calculated during the normal system operation.

d)

Summary Introduction

To determine: The probability that the satellite will function for at least 21 years.

Introduction:

Mean time between failures (MTBF):

The mean time between failures is a term which denotes the time that is elapsed between the first failure of a product and the second failure of a product. It is calculated during the normal system operation.

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Answer 5

Chapter 4.S, Problem 15P

a)

Summary Introduction

To determine: The probability that the satellite will function for more than 9 years.

Introduction:

Mean time between failures (MTBF):

The mean time between failures is a term which denotes the time that is elapsed between the first failure of a product and the second failure of a product. It is calculated during the normal system operation.

b)

Summary Introduction

To determine: The probability that the satellite will function for less than 12 years.

Introduction:

Mean time between failures (MTBF):

The mean time between failures is a term which denotes the time that is elapsed between the first failure of a product and the second failure of a product. It is calculated during the normal system operation.

c)

Summary Introduction

To determine: The probability that the satellite will function for more than 9 years but less than 12 years.

Introduction:

Mean time between failures (MTBF):

The mean time between failures is a term which denotes the time that is elapsed between the first failure of a product and the second failure of a product. It is calculated during the normal system operation.

d)

Summary Introduction

To determine: The probability that the satellite will function for at least 21 years.

Introduction:

Mean time between failures (MTBF):

The mean time between failures is a term which denotes the time that is elapsed between the first failure of a product and the second failure of a product. It is calculated during the normal system operation.

Answer 6

Chapter 4.S, Problem 15P

a)

Summary Introduction

To determine: The probability that the satellite will function for more than 9 years.

Introduction:

Mean time between failures (MTBF):

The mean time between failures is a term which denotes the time that is elapsed between the first failure of a product and the second failure of a product. It is calculated during the normal system operation.

Answer 7

Chapter 4.S, Problem 15P

a)

Summary Introduction

To determine: The probability that the satellite will function for more than 9 years.

Introduction:

Mean time between failures (MTBF):

The mean time between failures is a term which denotes the time that is elapsed between the first failure of a product and the second failure of a product. It is calculated during the normal system operation.

Answer 8

b)

Summary Introduction

To determine: The probability that the satellite will function for less than 12 years.

Introduction:

Mean time between failures (MTBF):

The mean time between failures is a term which denotes the time that is elapsed between the first failure of a product and the second failure of a product. It is calculated during the normal system operation.

Answer 9

b)

Summary Introduction

To determine: The probability that the satellite will function for less than 12 years.

Introduction:

Mean time between failures (MTBF):

The mean time between failures is a term which denotes the time that is elapsed between the first failure of a product and the second failure of a product. It is calculated during the normal system operation.

Answer 10

c)

Summary Introduction

To determine: The probability that the satellite will function for more than 9 years but less than 12 years.

Introduction:

Mean time between failures (MTBF):

The mean time between failures is a term which denotes the time that is elapsed between the first failure of a product and the second failure of a product. It is calculated during the normal system operation.

Answer 11

c)

Summary Introduction

To determine: The probability that the satellite will function for more than 9 years but less than 12 years.

Introduction:

Mean time between failures (MTBF):

The mean time between failures is a term which denotes the time that is elapsed between the first failure of a product and the second failure of a product. It is calculated during the normal system operation.

Answer 12

d)

Summary Introduction

To determine: The probability that the satellite will function for at least 21 years.

Introduction:

Mean time between failures (MTBF):

The mean time between failures is a term which denotes the time that is elapsed between the first failure of a product and the second failure of a product. It is calculated during the normal system operation.

Answer 13

d)

Summary Introduction

To determine: The probability that the satellite will function for at least 21 years.

Introduction:

Mean time between failures (MTBF):

The mean time between failures is a term which denotes the time that is elapsed between the first failure of a product and the second failure of a product. It is calculated during the normal system operation.

Answer 14

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Answer 15

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Answer 16

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Answer 17

Ch. 4.2 - Prob. 1.1RQ Ch. 4.2 - Prob. 1.2RQ Ch. 4.5 - Prob. 1.1RQ Ch. 4.5 - Prob. 1.2RQ Ch. 4.7 - Prob. 1.1RQ Ch. 4.7 - Prob. 1.2RQ Ch. 4.7 - Prob. 1.3RQ Ch. 4.8 - Prob. 1.1RQ Ch. 4.8 - Prob. 1.2RQ Ch. 4.11 - THE CHALLENGES OF MANAGING SERVICES Services can...

Solution Summary: The author calculates the probability that the satellite will function for more than 9 years. The mean time between failures is calculated during the normal system operation.

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