A photocopying machine produces, on average, 1 defective photocopy out of every 50 pages copied. a) What is the probability that, when photocopying a 40page article, the machine will produce no more that 2 defective pages? b) What is the probability that the eleventh photocopied page will be the first defective? c) How many pages do you expect to photocopy to produce the third defective page? d) You are to photocopy 5 books of 100 pages each. What is the probability that the photocopies of only 2 of the books will contain defective pages?
A photocopying machine produces, on average, 1 defective photocopy out of every 50 pages copied. a) What is the probability that, when photocopying a 40page article, the machine will produce no more that 2 defective pages? b) What is the probability that the eleventh photocopied page will be the first defective? c) How many pages do you expect to photocopy to produce the third defective page? d) You are to photocopy 5 books of 100 pages each. What is the probability that the photocopies of only 2 of the books will contain defective pages?
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...
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Question
A photocopying machine produces, on average, 1 defective photocopy out of every 50 pages
copied.
a) What is the probability that, when photocopying a 40page
article, the machine will
produce no more that 2 defective pages?
b) What is the probability that the eleventh photocopied page will be the first defective?
c) How many pages do you expect to photocopy to produce the third defective page?
d) You are to photocopy 5 books of 100 pages each. What is the probability that the
photocopies of only 2 of the books will contain defective pages?
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