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Author Question: A manufacturer receives a shipment of 190 laptop computers of which 10 are defective. To test the ... (Read 118 times)

CQXA

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on: Jul 24, 2018
A manufacturer receives a shipment of 190 laptop computers of which 10 are defective. To test the shipment, the quality control engineer randomly selects 15 computers from the shipment and tests them.
 
  The random variable X represents the number of defective computers in the sample. What is the probability of obtaining 2 defective computers? A) 0.1467 B) 0.1440 C) 0.1368 D) 0.1540

Question 2

If P(A ) = 0.6, P(B) = 0.3, and P(A and B) = 0.3, find P(A or B).
 
  A) 0.6 B) 0.5 C) 0.8 D) 0.9


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alexanderhamilton

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Reply #1 on: Jul 24, 2018
Answer to Question 1

A

Answer to Question 2

A


CQXA

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Reply 2 on: Jul 24, 2018
Gracias!

Joy Chen

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Reply 3 on: Yesterday
:D TYSM

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