Two assembly lines I and II have the same rate of

Chapter 3, Problem 193SE

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QUESTION:

Problem 193SE

Two assembly lines I and II have the same rate of defectives in their production of voltage regulators. Five regulators are sampled from each line and tested. Among the total of ten tested regulators, four are defective. Find the probability that exactly two of the defective regulators came from line I.

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QUESTION:

Problem 193SE

Two assembly lines I and II have the same rate of defectives in their production of voltage regulators. Five regulators are sampled from each line and tested. Among the total of ten tested regulators, four are defective. Find the probability that exactly two of the defective regulators came from line I.

ANSWER:

Solution:

Step 1 of 2:

Two assembly lines I and II have the same rate of defectives in their production of voltage regulators.

Five regulators are sampled from each line and tested.

Among the total of ten tested regulators, four are defective.

We have to find the probability that exactly two of the defective regulators came from line I.


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