Q4/B/ Three machines A, B and C produce respectively 19%, 2% and 3% of the total number of items of a factory. the percentages of defective output of these machines are 2%,4% and 6% ,if an item is selected at random, find the probability that the item is defective.
Q4/B/ Three machines A, B and C produce respectively 19%, 2% and 3% of the total number of items of a factory. the percentages of defective output of these machines are 2%,4% and 6% ,if an item is selected at random, find the probability that the item is defective.
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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Transcribed Image Text:Q4/B/ Three machines A, B and C produce respectively 1%, 2% and 3% of the
total number of items of a factory. the percentages of defective output of
these machines are 2% ,4% and 6% if an item is selected at random, find
the probability that the item is defective.
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