A marketing firm would like to test-market the name of a new energy drink targeted at 18- to 29-year-olds via social media. Suppose a study found that 37% of adults (18 and older) do not use social media. Suppose the percentage of adults age 30 and older is 75%. Suppose that the percentage of the adult population that is either age 18-29 or uses social media is 68.7%. (a) What is the probability that a randomly selected adult uses social media? (b) What is the probability that a randomly selected adult is aged 18-29? (c) What is the probability that a randomly selected adult is 18-29 and a user of social media?

Q: It is reported that 60% of people are non-smokers. A non-smoker has a 10% chance of infected by the…

A: Given information, P(non-smoker)=60%=0.60 P(smoker)=1-0.60=0.40 P(infected| non-smoker)=0.10…

Q: The results of a recent survey indicate that 71% of people in the United States use more than one…

A:

Q: In the United States, about 3.5 percent of teenagers have green eyes. For the teenagers who are born…

A: Given, P(Green) = 0.035 P(Glasses/Green) = 0.22 P(Glasses/Non Green) = 0.11 P(Non Green) = 0.965

Q: study has shown that 65% of students at some time in their college career have skipped buying…

A: Given data, 65% of students at some time in their college career have skipped buying required…

Q: According to a study by a road safety interest group, the probability that speeding is a cause of a…

A: Solution: From the given information, the probability that speeding is a cause of a fatal crash is…

Q: A recent poll indicates that 48% of all registered voters in America plan to vote for a specific…

A: given data, p=0.48n=12q=1-0.48=0.52p(X=x)=nCx *px*q(n-x) (binomial distribution)x= no. of ragisterd…

Q: It has been estimated that 43% of business graduates believe that a course in business ethics is…

A: Given : sample size n = 80 p = 0.43

Q: Information was collected on those who attended the opening of a new movie. The analysis found that…

A:

Q: At a local university, 40% of students live in dormitories. A random sample of 80 students is…

A: The given information is that the random sample of 80 students is selected for a particular study.…

Q: A random sample of 450 adults is taken from a population of 15000. It is believed that 82% of the…

A: It is given that 82% of the population owns a cell phone. Therefore, the population proportion is…

Q: According to TMUSS Quarterly (Totally Made-Up Sports Statistics) April 2017, the probability that…

A: Given : P(Touchdown) = 0.26 P( 3 or more sacks) = 0.15