Based on a​ poll, 62​%of Internet users are more careful about personal information when using a public​ Wi-Fi hotspot. What is the probability that among three randomly selected Internet​ users, at least one is more careful about personal information when using a public​ Wi-Fi hotspot? How is the result affected by the additional information that the survey subjects volunteered to​ respond?

Q: In a recent year, the rate of U.S. home ownership was 65.9%. Choose a random sample of 120…

A: From the given information, it can be observed that the sample size is 120 and probability of U.S.…

Q: According to USA Today, 65% of Americans are overweight or obese.8 If five Americans are chosen at…

A: Given information Probability that the Americans are overweight = 0.65 n = 5

Q: About 8% of males are colorblind. Researcher needs the colorblind men for an experiment. What is the…

A: Given, n=9 p=8%=0.08

Q: In a study, 43% of adults questioned reported that their health was excellent. A researcher wishes…

A:

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

A: It is given that n = 4 and p = 0.69.

Q: In a particular survey of internet users, 3605 respondents say that they use social networking sites…

A: From the provided information, 3605 internet users say that they use social networking sites and…

Q: A study showed that 64.5​% of occupants involved in a fatal car crash wore seat belts. Of those in…

A: Solution: Let A be the event that  occupants involved in a fatal car crash wore seat belts. P( A)=…

Q: A survey showed that 73% of adults need correction ( eyeglasses, contacts, surgery,etc.) for their…

A: Let us denote X= the number of persons who need correction for their eyesight. n= number of trials =…

Q: A market research firm conducts telephone surveys with a 38% historical response rate. What is the…

A: Defines that p is true proportion of telephone numbers that will cooperate and respond to the…

Q: Two cards are drawn without being replaced, from a standard deck of 52 playing cards. Determine, to…

A: From the provided information, Total cards in standard deck = 52 Total spade cards = 13 Total…

Q: According to a national​ study, 32​% of taxpayers used computer software to do their taxes for a…

A: From the given information, 32​% of taxpayers used computer software to do their taxes for a certain…

Q: Based on a poll, 65% of Internet users are more careful about personal information when using a…

A: Given information- We have given a problem of binomial distribution. We have given that 65% of…

Q: Suppose ten observations are selected randomly with replacement from the dataset. Using answer in…

A:

Q: A survey showed that 82% of adults need correction​ (eyeglasses, contacts,​ surgery, etc.) for their…

A: 82% of adults need correction​ (eyeglasses, contacts,​ surgery, etc.) for their eyesight. 19 adults…

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: A survey showed that 82% of adults need correction (eyeglasses, contacts, surgery, etc.) for their…

A: The probability that at least 18 of them need correction for their eyesight is 0.1191, which is…

Q: Based on a poll, 67% of Internet users are more careful about personal information when using a…

A: Given Information : Based on a poll 67% of internet users are more careful abut personal information…

Q: In a small private​ school,6 students are randomly selected from 11available students. What is the…

A: We have 11 students out of which we have to select the 6 students and then find the probability that…

Q: Based on a poll, 63% of Internet users are more careful about personal information when using a…

A: Probability that internet users are more careful about personal information when using a public WIFI…

Q: A group of students consisting of 20 males and 20 females were selected to participate in a research…

A: The number of male students is 20 and the number of female students is 20.

Q: In a survey of 1234 people, 838 people said they voted in a recent presidential election. Voting…

A: Continuity correction factor table: If   P(X=n) use   P(n – 0.5 < X < n + 0.5)If   P(X > n)…

Q: Suppose the prevalence of type II diabetes in a community is 36%. Researchers want to sample 16…

A: Suppose the prevalence of type II diabetes in a community is 36%. Researchers want to sample 16…

Q: What is the predicted probability of labor force participation for a woman who has 13 years of…

A: Given predicted probability of labor force = 0.082 + 0.032 * years of education - 0.114 * number of…

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

A: Given: Total number of Salinas  residents = 619 The number of residents who experienced delays = 437…

Q: A survey showed that 81% of adults need correction (eyeglasses, contacts, surgery, etc.) for their…

A: Obtain the probability that no more than 1 of them needs correction for their eyesight. The…

Q: A survey showed that 79% of adults need correction (eyeglasses, contacts, surgery, etc.) for their…

A: Let p be the probability that an adult needs eyesight correction. Given that p = 0.79 Let X denote…

Q: Two six-sided dice were rolled 20 times.Doubleswere rolled 4 times. What is the experimental…

A: In the given case There are a total 20 trials (n) that is 20 times the dice were rolled. The…

Q: Time magazine reported that when 19,218 gas masks from branches of the military were tested, it was…

A: The number of masks are tested is 19,218.

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: A recent survey taken by Adecco of 1,047 employees found that 28% of them would lay off their bosses…

A: Let us denote X=the number of employees who would lay off their bosses. n=sample size= 10…

Q: The time taken by brake discs to overheat on construction equipment is normally distributed with…

A:

Q: Based on a poll, 67% of Internet users are more careful about personal information when using a…

A: We have to find out given probability.

Q: A poll showed that 80.4% of Americans say they believe that you lose your body heat fastest through…

A: Given, P(they believe that you lose your body heat fastest through your head) = 80.4%=0.804   P(they…

Q: A group of students consisting of 20 males and 20 females were selected to participate in a research…

A: The number of male students is 20 and the number of female students is 20.

Q: An article was published concerning the incidence of cardiac death attributable to the earthquake in…

A: Probability: Probability is the ratio of favourable outcomes to all other potential outcomes of an…

Q: In a test of a​ gender-selection technique, results consisted of 298 baby girls and 321 baby boys.…

A: From the provided information, Baby girls = 298 Baby boys = 321 Total Children = 298 + 321 = 619

Q: In a survey of US adults with a sample size of 2000, there are 1229 people who said Ronald Reagan…

A: We can select the first adult who said Ronald Reagan was the best president in 1229 ways.  We can…

Q: According to a survey conducted by Tourism Malaysia, 70% of Malaysian companies give employees 25 to…

A:

Q: According to a survey, only 18% of customers who visited the web site of a major retail store made a…

A: We have to find correct answer.....

Q: A recent survey taken by Adecco of 1,047 employees found that 28% of them would lay off their bosses…

A: It is given that in a survey taken by Adecco of 1,047 employees found that 28% of them would lay off…

Q: Based on a​ poll, 65​% of Internet users are more careful about personal information when using a…

A:

Q: Suppose a certain study conducted in 2000 reported 71.3% of men between the ages of 45 and 54 are…

A:

Q: A survey showed that 84​% of adults need correction​ (eyeglasses, contacts,​ surgery, etc.) for…

A: The density function of binomial distribution is:

Q: On a recent Saturday, a total of 1,112 people visited a local library. Of these people: 266 were…

A: Age    frequncy <10       266 10-18    496 19-30     189 >30         161

Q: An institute reported that ​70% of its members indicate that lack of ethical culture within…

A: Given Data population proportion,p = 0.7 sample size n = 100

Q: A book of 500 pages, 350 typos were found. Find the probability that in a random sample of 5 pages…

A: Its Poisson distribution

Q: Based on data from AMSC Online Instruction project, 77% of adult learners use social network sites.…

A: The probability of getting adult learners who uses the social network is 77%. The events of…

Q: Based on a poll, 62% of Internet users are more careful about personal information when using a…

A: It is given that 62% of Internet users are more careful about personal information when using a…

Q: It is reported that American adolescents spend an average of μ =4 hours per day using smart phone (σ…

A: According to the provided information, μ =4 σ = 2

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.