17. In a certain factory producing certain articles, the probability that anarticle is defective is The articles are supplied in packets of 20.500Find approximately the number of packets containing no defective,one defective, two defectives in a consignment of 20000 packets.

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Answered: 17. In a certain factory producing…

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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Suppose an RMG production line is known to have 6.6 flaws (defects) in every 50 products. a. What is the probability that there will be 16 flaws (defects) in a batch of 100 products? Answer in exact fraction, or rounded to at least 4 decimal places. b. What is the probability that there will be more than 5 flaws (defects) in a particular batch of 50 products? Answer in exact fraction, or rounded to at least 4 decimal places.
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18.
10. What is the probability of observing less than 3 heads in 4 tosses of a fair coin? A. 0.3125 B. 0.9375 C. 0.2500 D. 0.6875
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1. Twelve electric bulbs are drawn independently every hour from a production line at a factory. The number of defective bulbs are random and independent. Suppose that the probability that a bulb is defective is 0.06. a. What is the probability that less than two bulbs are defective? b. What is the probability that three bulbs tested are the second defective bulbs detected?
15. A box contains 18 batteries of which 2 are known to be defective. You reach in and remove 5 batteries. Find the expected number of defective ones.
19. If each coded item in a catalogue begins with a 4 distinct letters from the English alphabet followed by 3 distinct nonzero digits, find the probability of randomly selecting one of these coded items with the first letter a vowel and the last digit even. a. 10/117 b. 11/325 c. 13/910 d. 17/525

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17. In a certain factory producing certain articles, the probability that an article is defective is The articles are supplied in packets of 20. 500 Find approximately the number of packets containing no defective, one defective, two defectives in a consignment of 20000 packets.