(a) What is the probability that of 10 laborers testing positive, 2 are cocaine users, 5 marijuana users, and 3 users of other drugs? (b) What is the probability that of 10 workers testing positive, all are marijuana users? (c) What is the probability that of 10 workers testing positive, none are cocaine users?

Q: 40% of the managers in an international company have traveled abroad, 50% of them can speak foreign…

A: Let event T:Manager travelled abroad event F:Manager can speak foreign language. PT=0.4 therefore…

Q: What is the probability of getting two tail if one dice is tossed?

A:

Q: I just rolled two regular 6-sided dice. What is the probability that I rolled 5 or higher on at…

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Q: What is the probability of getting at least two heads when three coins are tossed

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Q: You are running in a marathon with 38 total racers (including you) in which first, second, and third…

A: If we can't want to know the occurrence of any event it can be calculated by understanding the…

Q: What is the probability that more than  14  enroll in college?

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Q: A new drug is being tested that causes a serious side effect in 5 out of 20 patients. Fifteen…

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Q: Based on long experience, an airline found that about 4% of the people making reservations on a…

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Q: A radio device consists of 1000 electronic elements. The probability of nonoperation for one element…

A: Assuming that the random number X of non operating elements obeys poisson's law…

Q: A radio device consists of 1000 electronic elements. The probability of nonoperation for one element…

A: GivenNo.of electronic elements(n)=1000probability of nonoperation for one element during one…

Q: 22.In Hawaii, the rate of motor vehicle theft is 775 thefts per 100,000 vehicles. A large parking…

A: Given n=421 P=0.00775

Q: Suppose that 9% of college undergraduates suffer from a psychological disorder. What is the…

A: Let p be the probability that an undergraduate has a psychological disorder. Given that p = 0.09 Let…

Q: 11. In a survey of high school students, 288 students indicated that they played organized sports…

A: Step 1:To find the probability that a randomly selected student indicated they played organized…

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Q: (a) The probability that George wins two chess games in a row is (Round to four decimal places as…

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Q: . What is the probability of randomly selecting either a black Ace or a red 9 from a deck of 52…

A:

Q: A radio device consists of 1000 electronic elements. The probability of nonoperation for one element…

A: Given,n=1000p=0.001λ=npλ=1000×0.001=1A random variable X~Poisson(λ=1)P(X=x)=e-11xx!  ;    x≥0

Q: On the average, two tornadoes hit major U.S. metropolitan areas every year. What is the probability…

A: 8. Given that the average number of tornadoes hit major U.S metropolitan areas every year is 2. Let…

Q: A fair 2-sided coin is tossed 3 times. What is the probability that the coin lands on tails once?

A: A fair 2- sided coin is tossed 3 times. then sample space(S); S={HHH,HHT,HTH,THH,TTH,THT,HTT,TTT}…

Q: On an average, there are 2 visits to a supershop per minute. What is the probability that the…

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Q: Suppose the probability of an IRs audit is 4.2 percent for U.S taxpayers who file form 1040 and who…

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Q: The probability that an American industry is located in Shanghai, China is 0.62, the probability…

A: We have given that  P(A) = 0.62 P( B) = 0.49 P( A U B ) = 0.77

Q: 4. Suppose a clothing store owner is analyzing store traffic. They find that female customers arrive…

A: Suppose a clothing store owner is analyzing store traffic. They find that female customers arrive…

Q: The probability that a statistics graduate from a Canadian university gets a data science job is…

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Q: Assuming that these two are Independent, what is the probability of thunderstorms on both Memorial…

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Q: A radio device consists of 1000 electronic elements. The probability of nonoperation for one element…

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Q: 12. Assume that among the 6 fish you caught in the previous problem exactly one of the fish is…

A: GivenTotal No. of fish caught =6no.of fish diseased = 1

Q: A classroom contains 10 girls and 8 boys. You need to randomly select some of the students for…

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…

Q: A survey of athletes at a high school is conducted, and the following facts are discovered: 19% of…

A: Let F=a student is a football player B=a student is a basketball…

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Q: 19. The chance for precipitation (rain) in Washington, DC this weekend is about 40% everyday. (a)…

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