Draw a tree diagram. A part is chosen at random and turns out to be defective; Find the probability that it was produced by machine B. b)) It is known that the selected piece has no defects, calculate the probability that it was made by machine A.

Draw a tree diagram. A part is chosen at random and turns out to be defective; Find the probability that it was produced by machine B. b)) It is known that the selected piece has no defects, calculate the probability that it was made by machine A.

College Algebra

10th Edition

ISBN:9781337282291

Author:Ron Larson

Publisher:Ron Larson

Chapter8: Sequences, Series,and Probability

Section8.7: Probability

Problem 4ECP: Show that the probability of drawing a club at random from a standard deck of 52 playing cards is...

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Question

100%

4. Three machines, A, B and C produce 39%, 33% and 28% respectively of the total parts produced in a factory. The percentages of defective production of these machines are 1.3%, 1.1% and 1.2% respectively.
a) Draw a tree diagram. A part is chosen at random and turns out to be defective; Find the probability that it was produced by machine B.
b)) It is known that the selected piece has no defects, calculate the probability that it was made by machine A.

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