Q9] Of a lot of 10 items, 2 are defective. (a) Find the number of different samples of 4. Find the number of samples of 4 containing (b) no defectives, (c) 1 defective, (d) 2 defectives.

College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter9: Counting And Probability
Section: Chapter Questions
Problem 14T: An unbalanced coin is weighted so that the probability of heads is 0.55. The coin is tossed ten...
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Engineering Analysis 2017/2018 Electrical Engineering by Dr.Husham L. Swadi
Q9] Of a lot of 10 items, 2 are defective. (a) Find the number of different samples of 4. Find
the number of samples of 4 containing (b) no defectives, (c) 1 defective, (d) 2 defectives.
Q10] If a cage contains 100 mice, 3 of which are male, what is the probability that the 3 male
mice will be included if 10 mice are randomly selected?
Q11] If 3 suspects who committed a burglary and 6 innocent persons are lined up, what is the
probability that a witness who is not sure and has to pick three persons will pick the three
suspects by chance? That the witness picks 3 innocent persons by chance?
Q12] A jar contains 3 red marbles, 7 green marbles and 10 white marbles. If a marble is drawn
from the jar at random, what is the probability that this marble is white?
Q13] For instance (this is authentic data), a recent (1999) study of bottled water, conducted by
the Natural Resources Defense Council, revealed that: 40% of bottled water samples were
merely tap water. 30% of bottled water samples were contaminated by such pollutants as
arsenic and fecal bacteria.
Q14] According to a recent article from the New England Journal of Medical Stuff, 63% of
cowboys suffer from saddle sores, 52% of cowboys suffer from bowed legs, and 40% suffer
from both saddle sores and bowed legs.
Q151 A contractor wishes to build
J'CC
Transcribed Image Text:Engineering Analysis 2017/2018 Electrical Engineering by Dr.Husham L. Swadi Q9] Of a lot of 10 items, 2 are defective. (a) Find the number of different samples of 4. Find the number of samples of 4 containing (b) no defectives, (c) 1 defective, (d) 2 defectives. Q10] If a cage contains 100 mice, 3 of which are male, what is the probability that the 3 male mice will be included if 10 mice are randomly selected? Q11] If 3 suspects who committed a burglary and 6 innocent persons are lined up, what is the probability that a witness who is not sure and has to pick three persons will pick the three suspects by chance? That the witness picks 3 innocent persons by chance? Q12] A jar contains 3 red marbles, 7 green marbles and 10 white marbles. If a marble is drawn from the jar at random, what is the probability that this marble is white? Q13] For instance (this is authentic data), a recent (1999) study of bottled water, conducted by the Natural Resources Defense Council, revealed that: 40% of bottled water samples were merely tap water. 30% of bottled water samples were contaminated by such pollutants as arsenic and fecal bacteria. Q14] According to a recent article from the New England Journal of Medical Stuff, 63% of cowboys suffer from saddle sores, 52% of cowboys suffer from bowed legs, and 40% suffer from both saddle sores and bowed legs. Q151 A contractor wishes to build J'CC
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