Suppose 2% of cotton fabric rolls and 3% of nylon fabric rolls contain flaws. Of the rolls used by a manufacturer, 70% are cotton and 30% are nylon. What is the probability that a randomly selected roll used by the manufacturer contains flaws?
Answer to relevant QuestionsIn the manufacturing of a chemical adhesive, 3% of all batches have raw materials from two different lots. This occurs when holding tanks are replenished and the remaining portion of a lot is insufficient to fill the tanks. ...A batch of 25 injection-molded parts contains 5 that have suffered excessive shrinkage. (a) If two parts are selected at random, and without replacement, what is the probability that the second part selected is one with ...If P (A) = 0.2, P (B) = 0.2, and A and B are mutually exclusive, are they independent?Suppose that P (A|B) = 0.7, P (A) = 0.5, and P (B) = 0.2. Determine P (B|A).Computers in a shipment of 100 units contain a portable hard drive, CD RW drive, or both according to the following table: Portable hard drive Yes No CD RW Yes 15 80 No 4 1 Let A ...
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