1. Three hundred identical cathode ray tubes (CRTS) placed into servicesimultaneously on January 1, 1976, experienced the following numbers of failuresthrough December 31, 1988:1983YearNumber of failures19841985198619871988131916342138Assume that there were no failures before 1983.a. Based on these data, estimate the cumulative distribution function (CDF) of aCRT chosen at random.Using the results of part (a), estimate the probability that a CRT chosen atrandom13.1 Reliability of a Single Component 753b. Lasts more than 5 years.c. Lasts more than 10 years.d. Lasts more than 12 years.e. That has survived for 10 years fails in the 11th year of operation.

Note: I have answered sub-part from (a) to (c) as per the guidelines. Kindly post the remaining…

Answered: 1. Three hundred identical cathode ray…

Practical Management Science

6th Edition

ISBN:9781337406659

Author:WINSTON, Wayne L.

Publisher:WINSTON, Wayne L.

Chapter2: Introduction To Spreadsheet Modeling

Section: Chapter Questions

Problem 20P: Julie James is opening a lemonade stand. She believes the fixed cost per week of running the stand...

See similar textbooks

Similar questions

A lathe machine worked 10 hours on a shift for 150 days. During this period, 3 failures occurred. The maintenance operators spent 4 hours, 3.5 hours, and 6 hours respectively, to repair each of these failures. a) What is the Mean Time Between Failure (MTBF) for the lathe machine? b) What is the Mean Time to Repair (MTTR) for the lathe machine? c) What is the Failure Rate? d) What is System Availability?
Classify the following risks into variation, foreseen uncertainty, unforeseen uncertainty, and chaos:a. A hurricane on the U.S. East Coast floods a regional warehouse destroying alarge amount of stock
day, a FedEx competitor processes approximately 70,000 shipments. Suppose that they use the same Service Quality Index as FedEx and identified the following numbers of errors during a five-day week (see the “FedEx: Measuring Service Performance” box): These values are hypothetical and do not reflect any real company’s actual performance. Complaints reopened: 125 Damaged packages: 18 International: 102 Invoice adjustments: 282 Late pickup stops: 209 Lost packages: 2 Missed proof of delivery: 26 Right date late: 751 Traces: 115 Wrong day late: 15 Compute the Service Quality Indicator by finding the weighted sum of errors as a percentage of total shipments.
The number of yearly breakdowns for the power generator observed over the past 20 years at Orlando Utilities is presented in the following data: Number of breakdowns 0 1 2 3 4 5 6 Number of years in which breakdowns occurred 3 3 5 3 4 1 1 For Orlando Utilities, the expected number of breakdowns = (round your response to two decimal places).
Classify each of the following as either a Type I error or a Type II error: (a) Putting an innocent person in jail (b) Releasing a guilty person from jail (c) Eating (or not eating) a cookie that fell on the floor. (d) Not eating a clean cookie (e) Not seeing a doctor as soon as possible after ingesting poison
2. Suppose that the cumulative distribution function of the lifetime of a piece of operating equipment is given by F(t) = 1 – e-0.61 – 0.6te¬0.61 where t is measured in years of continuous operation. a. Determine the reliability function. b. Determine the failure rate function. c. What is the probability that this piece of equipment fails in the first year of operation? d. What is the probability that this piece of equipment fails in the fifth year of operation? e. What proportion of the equipment surviving four years fails in the fifth year? (Calculate without using the failure rate function.) f. Does r(4) closely approximate the answer to part (e)? Why or why not? g. What proportion of the equipment surviving four years fails in the first month of the fifth year? (Calculate using the failure rate function.)
Each day, a FedEx competitor processes approximately 75,000 shipments. Suppose that they use the same Service Quality Index as FedEx and identified the following number of errors during a 5-day wee (see the "FedEx: Measuring Service Performance" box). These values are hypothetical and do not reflect any real company's actual performance. Description Complaints reopened Damaged packages International Weight Number of Errors 3 105 10 16 1 101 1 278 3 212 10 4 1 25 1 748 112 18 Invoice adjustments Late pickup stops Lost packages Missed proof of delivery Right date late Traces Wrong day late Compute the Service Quality Indicator by finding the weighted sum of errors as a percentage of total shipments. Do not round intermediate calculations. Round your answer to three decimal places. Service Quality Indicator (SQI): % 3 5
Each day, a FedEx competitor processes approximately 50,000 shipments. Suppose that they use the same Service Quality Index as FedEx and identified the following numbers of errors during a 5-day week (see the "FedEx: Measuring Service Performance" box). These values are hypothetical and do not reflect any real company’s actual performance. Description Weight Number of Errors Complaints reopened 3 145 Damaged packages 10 17 International 1 109 Invoice adjustments 1 284 Late pickup stops 3 207 Lost packages 10 4 Missed proof of delivery 1 28 Right date late 1 752 Traces 3 115 Wrong day late 5 11 Compute the Service Quality Indicator by finding the weighted sum of errors as a percentage of total shipments. Do not round intermediate calculations. Round your answer to three decimal places. Service Quality Indicator (SQI): %
Classify each of the following as either a Type I error or a Type II error: (a). Putting an innocent person in jail. (b). Releasing a guilty person from jail. (c). Eating (or not eating) a cookie that fell on the floor. (d). Not seeing a doctor as soon as possible after ingesting poison.
Explain or define each of these terms:d. Expected value of perfect information
In an FMEA, we determined Severity, Occurrence and Detection numbers for two types of failure, as shown below:Group of answer choices Missed Deposits RPN = 80, Billing Errors RPN = 84, Missed Deposits is priority Missed Deposits RPN = 80, Billing Errors RPN = 84, Billing Errors is priority
Classify each of the following as either a Type I error or a Type II error:b. Releasing a guilty person from jail

SEE MORE QUESTIONS

Recommended textbooks for you

Practical Management Science

Operations Management

ISBN:

9781337406659

Author:

WINSTON, Wayne L.

Publisher:

Cengage,

Operations Management

ISBN:

9781259667473

Author:

William J Stevenson

Publisher:

McGraw-Hill Education

Operations and Supply Chain Management (Mcgraw-hi…

Operations Management

ISBN:

9781259666100

Author:

F. Robert Jacobs, Richard B Chase

Publisher:

McGraw-Hill Education

Practical Management Science

Operations Management

ISBN:

9781337406659

Author:

WINSTON, Wayne L.

Publisher:

Cengage,

Operations Management

ISBN:

9781259667473

Author:

William J Stevenson

Publisher:

McGraw-Hill Education

Operations and Supply Chain Management (Mcgraw-hi…

Operations Management

ISBN:

9781259666100

Author:

F. Robert Jacobs, Richard B Chase

Publisher:

McGraw-Hill Education

Business in Action

Operations Management

ISBN:

9780135198100

Author:

BOVEE

Publisher:

PEARSON CO

Purchasing and Supply Chain Management

Operations Management

ISBN:

9781285869681

Author:

Robert M. Monczka, Robert B. Handfield, Larry C. Giunipero, James L. Patterson

Publisher:

Cengage Learning

Production and Operations Analysis, Seventh Editi…

Operations Management

ISBN:

9781478623069

Author:

Steven Nahmias, Tava Lennon Olsen

Publisher:

Waveland Press, Inc.

SEE MORE TEXTBOOKS