Confidence Interval Homework
1.
An inspector found 10 defective keyboards from a sample of 300. Calculate the 95 % confidence
interval for the proportion of good units. What would be the 95% confidence interval for the
proportion of bad units?
p g is the

Problem 1 The reliability block diagram shown is a complex system that cannot be decomposed into a seriesparallel configuration. We want to determine the reliability equation for the system using the conditional
probability method. We have decided to use

Confidence Interval Homework
1.
An inspector found 10 defective keyboards from a sample of 300. Calculate the 95 % confidence
interval for the proportion of good units. What would be the 95% confidence interval for the
proportion of bad units?
2.
The foll

Home Work 8
1. What is the purpose of screening tests? How is it done for components and
systems?
(5)
2. Accelerated life tests are conducted on a type of electronic component at 120
and 150 degree C. The normal operating temperature is 30 degree C. The l

Home Work 7
1. Briefly discuss the F-distribution and its application. What is p-value?
(5)
2. What is fractional factorial design? Why this is considered as a practically acceptable
method?
(5)
3. A textile engineer suspects that the percentage of cotton

HW 5
A. What is meant by reliability capability of an organization?
How is this assessed? How is such assessment useful?
B.
Explain how the AOQ and Process capability analyses help
to assess the parts selection?
Due Date: March 05

Problem 1 The reliability block diagram shown is a complex system that cannot be decomposed into a seriesparallel configuration. We want to determine the reliability equation for the system using the conditional
probability method. We have decided to use

Failure data of paper clip
The data can be used for computing hazard rate, probability density function and reliability. (The
unit of the data is number of cycle to failure)
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25
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SAMPLE WARRANTY & INDEMNITY LANGUAGE
(Medical Device)
Warranty
Manufacturer represents and warrants to Company and Companys customers that: (i)
the Medical Contract Products delivered to Company will not be adulterated or
misbranded within the meaning of

SAMPLE WARRANTY LANGUAGE (PARTIAL)
a) Product Warranty. Manufacturer warrants that at the time of delivery by
Manufacturer to Buyer, and for a period of eighteen months FOB Shanghai,
China after the delivery of the product, all Products: (i) shall be
manu

SERVICES AGREEMENT
This Agreement is entered into as of this _, between XXXX, a corporation incorporated in
_ (hereinafter called "SUBCON), and _, with
offices at _.
Whereas, _ is engaged in the business of _.
Whereas, SUBCON is engaged in the business of

LIMITATION OF LIABILITY
(Sample Language)
IN NO EVENT, WHETHER BASED IN CONTRACT OR TORT, SHALL EITHER PARTY BE LIABLE FOR
INCIDENTAL, CONSEQUENTIAL, INDIRECT, PUNITIVE, OR SPECIAL DAMAGES OF ANY KIND OR FOR ANY
LOSS OF PROFITS OR REVENUE OR LOSS OF BUSIN

ENME 695 Midterm Examination: March 11, 2013: Answers
1
.
(a)
Reliability at the end of one year
4
Hazard rate at the end of one year
(b)
(c)
4
B10 life of the components
CDF, F(B10) = 0.1,
or
4
R(B10) = 0.90
Solving this, we get, B10 = 0.402 years
(d)
5

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IEEE TRANSACTIONS ON DEVICE AND MATERIALS RELIABILITY, VOL. 13, NO. 1, MARCH 2013
Challenges in the Qualication of Electronic
Components and Systems
Vidyu Challa, Peter Rundle, and Michael Pecht, Fellow, IEEE
AbstractQualication, which is the process o

Reliability Data Analysis
Techniques
1
University of Maryland
Data Entry Help
When prompted to specify the data type, you select Times-to-failure data and
clear all the other options. You also use the Units drop-down list to indicate that
the time values

Confidence Interval
1
University of Maryland
Summary Statistics and Inferential Statistics
Population: A set of all the members of a group.
Sample: A set of representative members of the population.
Inferential statistics are used to draw inferences ab