In a sample of 800 U.S. adults, 180 think that most celebrities are good role models. U.S. adults are selected from this sample without replacement. (a) Find the probability that both adults think most celebrities are good role models. The probability that both adults think most celebrities are good role models is
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A: It is given that the probability that K-12 schools or districts in a country use digital content…
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A: P(s)= 237+17+24= 278 P(n)= 237+17= 254
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A: Given datan=10x=5p∧=xn=510=0.5Po=74%=0.74
Q: his problem involves students who have taken Calculus in high school. Assume that 10 percent of…
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- This problem involves students who have taken Calculus in high school. Assume that 35 percent of students have taken calculus in high school. Of those who have taken calculus in high school, 75 percent plan to major in science. Of those who did not take calculus in high school, only 20 percent plan to major in science. What is the probability that a randomly selected student plans to major in science?75% of American adults received a speeding ticket. If a random sample of 20 adults is selected, find the probability that exactly 16 received a speeding ticket.A car dealership sells two types of cars: sedans and SUVs. The dealership conducted a survey and found that out of 200 customers, 120 purchased sedans, 80 purchased SUVs, and 40 purchased both types of cars. Calculate the probability that a randomly selected customer purchased either a sedan or an SUV.
- In a survey of consumers aged 12 and older, respondents were asked how many cell phones were in use by the household. (No two respondents were from the same household.) Among the respondents, 203 answered "none," 294 said "one," 364 said "two," 143 said "three," and 139 responded with four or more. A survey respondent is selected at random. Find the probability that his/her household has four or more cell phones in use. Is it unlikely for a household to have four or more cell phones in use? Consider an event to be unlikely if its probability is less than or equal to 0.05. P(four or more cell phones) = %3D (Round to three decimal places as needed.) Is it unlikely for a household to have four or more cell phones in use? A. Yes, because the probability of a respondent with four or more cell phones in use is less than or equal to 0.05. B. Yes, because the probability of a respondent with four or more cell phones in use is greater than 0.05. C. No, because the probability of a respondent…Eight percent of Americans have a master's degree. If five Americans are selected at random, what is the probability that none of the five have a master's degree?A PC manufacturer buys 38% of its chips from Japan, and the rest from the US. Of the Japanese chips, 1.7% are defective; meanwhile, 1.1% of the American chips are defective. Find the probability that a chip is defective.
- According to a study, 81% of K-12 schools or districts in a country use digital content such as ebooks, audio books, and digital textbooks. Of these 81%, 6 out of 10 use digital content as part of their curriculum. Find the probability that a randomly selected school or district uses digital content and uses it as part of their curriculum. The probability that a randomly selected school or district uses digital content and uses it as part of their curriculum is (Round to three decimal places as needed.)A survey determines that in Blue Village, 0.33 of the residents do jogging, 0.42 do biking, and 0.12 do both activities. Find the probability that a randomly selected person does biking only.According to a study, 88% of K-12 schools or districts in a country use digital content such as ebooks, audio books, and digital textbooks. Of these 88%, 10 out of 20 use digital content as part of their curriculum. Find the probability that a randomly selected school or district uses digital content and uses it as part of their curriculum. The probability that a randomly selected school or district uses digital content and uses it as part of their curriculum is (Round to three decimal places as needed.)