In a particular survey of internet​ users, 3575 respondents say that they use social networking sites and 1348 respondents say that they do not use social networking sites. What is the probability that a randomly selected person uses a social networking​ site? Does that result suggest that it is likely​ (with a probability of 0.5 or​ greater) for someone to use social networking​ sites? The probability that a randomly selected person uses a social networking site i

Q: Adult Americans were asked if they felt that food packaging labels were truthful. Sixty-seven…

A: GIVEN DATA P( felt that food packaging labels were truthful) = p = 0.67 sample size (n) = 90 x = no.…

Q: n a recent survey of 619 Salinas residents, 437 stated they experienced significant traffic delays…

A: 437 stated they experienced delay 182 not experienced delay 619 total

Q: The quality control manager of​ Marilyn's biscuits is inspecting a batch of​ chocolate-chip biscuits…

A:

Q: Based on a smartphone survey, assume that 42% of adults with smartphones use them in theaters. In a…

A: Given, P=42% of people of people use smartphones in theatres. no. of people use smartphones in…

Q: Historically, the final exam for an introductory statistics course has had a 75% pass rate. Suppose…

A: From the provided information,p = 0.75n = 250

Q: Of students ages 16 to 18 with A or B averages who plan to attend college after graduation, 78%…

A: Probability that a student cheated to get higher grades : q = 0.78Therefore, Probability that a…

Q: A group of potential customers were asked whether they preferred Coca-Cola products or Pepsi…

A: Solution

Q: The conditional algebritis affects 15% of college professors. The blood test for algebritis…

A: From the given information, The percentage of affect is 15% That is, P(affect)=0.15 and P(not…

Q: information when using a public Wi-Fi hotspot? How is the result affected by subjects volunteered to…

A: Given that  Number of trials n=4 Success of probability p=0.61 ,q=1-p=0.39 X~Bin(n,p)…

Q: Based on a smartphone​ survey, assume that 51​% of adults with smartphones use them in theaters. In…

A:

Q: Based on a​ poll, 69​% of Internet users are more careful about personal information when using a…

A: Given Data Probability of success,p = 0.69 Probability of failure,q=(1- 0.69 )= 0.31…

Q: The Statistical Abstract of the United States reported that 18.2% of students whose post secondary…

A: Let X be the number of students whose post secondary degrees were health professions and related…

Q: Suppose the prevalence of alcoholism among college students is 20% among those living in group…

A: It is given that the prevalence of alcoholism(A) among college students is 20% among those living in…

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

A: Let A be the event of the bucs score a touchdown on opening drive. PA=0.12 Let B be the event that…

Q: 10.2% of the population is 65 or older. Find the probability that the following number of persons…

A: Answer:- Given, 10.2% of the population is 65 or older.  That is, The probability of success on a…

Q: A market research organization surveyed 102 people and found that 73 of them would like more…

A:

Q: According to the Cable and Telecomm. Association for Marketing, 30% of cable television subscribers…

A: Given : n = 15 p = 0.30 Let X be the number of cable television subscribers.

Q: A study assessed the accuracy of self-reported smoking status. Among self-reported nonsmokers, 92…

A: Formula: probability is the number of favourable response divided by total number of sample size.

Q: 10.2% of the population is 65 or older. Find the probability that the following number of persons…

A: According to the given information, we have Sample size, n = 20

Q: Privacy is a concern for many users of the internet. One survey showed that 62.5% of internet users…

A:

Q: Based on a smartphone survey, assume that 40% of adults with smartphones use them in theaters. In a…

A: Given proportion of adults using smartphones in theatres = p = 0.40.the total adults with smart…

Q: Atlantic Airways flights were late (arrived or departed 15 minutes late or more). A random sample of…

A: We have given that  Number of trials n=140 Success of probability p =20.4%=0.204 We use normal…

Q: According to a government statistical organization, the unemployment rate for workers aged 24 to 27…

A: p=0.083n=120we have to find out the probabilities for the given data.

Q: Assume the readings on thermometers are normally distributed with a mean of 0°C and a standard…

A: Hey there! Thank you for posting the question. Since there are multiple questions posted, we will…

Q: hly selected, what is the probability of getting someone who has been in a car accident? Round to…

A: Define an event  A: Someone who has been in a car accident Given that, number of respondents who had…

Q: Wi-Fi Based on a poll conducted through the e-edition of  USA Today , 67% of Internet users are more…

A: In this context, the probability that the internet users are more careful about the personal…

Q: Based on a smartphone survey, assume that 60% of adults with smartphones use them in theaters. In a…

A:

Q: According to a government statistical​ organization, the unemployment rate for workers aged 22 to 25…

A: Given data: p = 5.7% Sample size (n) = 90 To find: a. What is the probability that 6 or fewer will…

Q: In a study, 42% of adults questioned reported that their health was excellent. A researcher wishes…

A: Let us denote X=the number of people with excellent health.n=sample size=13p=probability of…

Q: When making random guesses on an 8 question quiz the probability of guessing correctly on any one…

A:

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

A: Let us denote: Tampa Bay Buccaneers will score a touchdown on their opening drive = A  the defense…

Q: According to a government statistical organization, the unemployment rate for workers aged 19 to 25…

A: The answer is attached below.