anufacturing operation. The fuses are costly, are nd are shipped to suppliers in 100-unit lots. Be- lestructive, most buyers of fuses test only a small before deciding to accept or reject lots of incom- ve production lines produce fuses at the same ly produce only 2% defective fuses, which are mly in the output. Unfortunately, production echanical difficulty and produced 5% defectives th of March. This situation became known to
anufacturing operation. The fuses are costly, are nd are shipped to suppliers in 100-unit lots. Be- lestructive, most buyers of fuses test only a small before deciding to accept or reject lots of incom- ve production lines produce fuses at the same ly produce only 2% defective fuses, which are mly in the output. Unfortunately, production echanical difficulty and produced 5% defectives th of March. This situation became known to
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
Related questions
Question
![Example 2.23 An electronic fuse is produced by five produc-
tion lines in a manufacturing operation. The fuses are costly, are
quite reliable, and are shipped to suppliers in 100-unit lots. Be-
cause testing is destructive, most buyers of fuses test only a small
number of fuses before deciding to accept or reject lots of incom-
ing fuses. All five production lines produce fuses at the same
rate and normally produce only 2% defective fuses, which are
dispersed randomly in the output. Unfortunately, production
line 1 suffered mechanical difficulty and produced 5% defectives
during the month of March. This situation became known to
the manufacturer after the fuses had been shipped. A customer
received a lot produced in March and tested three fuses.
1. What is the chance that there is one failure among three
tested fuses.
2. If there is one failure among the tested fuses, What is the
probability that the lot was produced on line 1? What is the
probability that the lot came from one of the four other lines?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fc6389447-1237-4af0-b5c6-eb1260425b55%2F767900e7-b96d-466f-8122-ba7c9eb3bf64%2Fdxvh4j6_processed.png&w=3840&q=75)
Transcribed Image Text:Example 2.23 An electronic fuse is produced by five produc-
tion lines in a manufacturing operation. The fuses are costly, are
quite reliable, and are shipped to suppliers in 100-unit lots. Be-
cause testing is destructive, most buyers of fuses test only a small
number of fuses before deciding to accept or reject lots of incom-
ing fuses. All five production lines produce fuses at the same
rate and normally produce only 2% defective fuses, which are
dispersed randomly in the output. Unfortunately, production
line 1 suffered mechanical difficulty and produced 5% defectives
during the month of March. This situation became known to
the manufacturer after the fuses had been shipped. A customer
received a lot produced in March and tested three fuses.
1. What is the chance that there is one failure among three
tested fuses.
2. If there is one failure among the tested fuses, What is the
probability that the lot was produced on line 1? What is the
probability that the lot came from one of the four other lines?
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