In a​ poll, 6969​% of the people polled answered yes to the question​ "Are you in favor of the death penalty for a person convicted of​ murder?" The margin of error in the poll was 33​%, and the estimate was made with 96​% confidence. At least how many people were​ surveyed?   The minimum number of surveyed people was

Q: central airlines claims that the median price of a round-trip ticket from chicago, illinois, to…

A: Sample size(n)=25 Median price=606 The number of tickets below $606 =11

Q: Nationally, 83% of Americans have earned a high school diploma.  We want to see if the proportion of…

A: We have to find sample proportion.

Q: A random sample of 1000 households was taken and the dollar amount spent monthly on internet service…

A: Given, A random sample of 1000 households was taken and the dollar amount spent monthly on internet…

Q: According to The Census Bureau, 60% of adults buy clothing online. a) How many adults did they…

A: Solution: a. From the given information, p=0.60 and E=0.03. The confidence level is 0.95.

Q: On a multiple choice test with 25 questions, each question has four possible answen is correct. For…

A: We have to find mean  of correct answerfor given data ...

Q: A polling company reported that 29% of 1018 surveyed adults said that cellular phones are "quite…

A: a. It is given that, 29% of 1018 adults said that cellular phones are “quite annoying”.

Q: Use the results from a survey of a simple random sample of 1081 adults. Among the 1081 respondents,…

A:

Q: rrect answers? A. 0 O B. 320 O C. 12.8 D. 640 ... on, what is the mean number of

A: Given  n=640

Q: 47%0 0f these applicants were men. a.) Among the 594 applicants, how many of them were men? (round…

A: We have given that,  Sample size (n) = 594 and 47 % of these applicants who are men  Then,  We will…

Q: Gallup conducted a survey of 1,015 randomly selected U.S. adults about "Black Friday" shopping. They…

A:

Q: A polling company reported that 49% of 1013 surveyed adults said that rising gas prices are "quite…

A: We have to find correct answer..

Q: d. Make a sketch of the distribution indicating the test statistic and p. e. Compute the appropriate…

A: From provided information it is claimed that, the average salary of teachers is less than $60 per…

Q: In a sample of 508 men who worked at home, 32% of them were college graduates. a.) Among the 508 men…

A:

Q: I want to estimate the proportion of college professors who believe in aliens. How many college…

A: It is given that margin of error (E) is 0.05 and the confidence level is 0.95.

Q: A poll in Canada states that 67% of all respondents favor imposing the death penalty. The poll was…

A: Given that - A poll in Canada states that 67% of all respondents favor imposing the death penalty.…

Q: Parking at a university has become a problem. University administrators are interested in…

A: Introduction: The study is conducted by the university administrators to understand how the parking…

Q: A magazine article conducted a survey of 807 people in Phoenix metro area and found that 45% of the…

A: Sample size (n) = 807 Population proportion (p) = 45% = 0.45 And  97% confidence interval is (41%,…

Q: Would you use a sample or census to measure each of the following?

A: Identify if the given situation is census or sample.

Q: In a recent poll, 450 people were asked if they preferred cats or dogs. 52% said they preferred dogs…

A: Given data: n = 450  52% said they preferred dogs and 48% of people said they preferred cats, with a…

Q: The city of Raleigh has 11,700 registered voters. There are two candidates for city council in an…

A: Consider x denotes voter supports Brown. Here, n = 350 and x = 178.

Q: The national society of acupuncturists asked a random sample of 450 adults their opinion about…

A:

Q: In a survey of 3303 adults aged 57 through 85 years, it was found that 84.8% of them used at least…

A:

Q: Compare two values to answer this question: Was a boy or a girl more likely to say yes? A was most…

A: we have given the information,n1=no.of boys answeredn2=no.of girls answeredHere, n1=84 , n2=138from…

Q: C. For the hypothesis test, identify the value used for the population proportion and use the symbol…

A: Given that, The sample size is, n = 1048 The sample proportion of respondents who rated themselves…

Q: SAccording to Inc.com, 79% of job seekers used social media in their job search in 2018. Many…

A:

Q: n IQ test is designed so that the mean is 100 and the standard deviation is 16 for the population of…

A: Given: μ=100, σ=16 and SE=8.   The formula of standard error is SE=zσn

Q: Use these results from a USA Today survey in which 510 people choseto respond to this question that…

A:

Q: The Arizona Department of Transportation wishes to survey state residents to determine what…

A: Solution-: Given: M.E.=0.03,α=0.01, We take, p^=0.5 and  q^=0.5  We find how many residents do they…

Q: In a survey of 3315 adults aged 57 through 85 years, it was found that 82.4% of them used at least…

A: We have given that  n=3315  p=at least one prescription medication=82.4%

Q: (a) What is the level of significance? State the null and alternate hypotheses. O Ho: The…

A: To test the claim that the census distribution and the sample distribution agree, we will use the…

Q: The sports section of the East Mule Shoe Gazette runs a weekly question that readers can answer…

A: Given that, After the local university’s football squad was beaten by its rival for the forty-second…

Q: In a recent poll, 360 people were asked if they preferred cats or dogs. 49% said they preferred dogs…

A:

Q: In politics, marketing, etc. we often want to estimate a percentage or proportion p. One calculation…

A: Here the proportion of people liking dark chocolate is 37% with a margin of error 2.5%  So, the…

Q: according to the national household  survey on drug use and health, when asked in 2017, 31.0% of…

A: The National Household Survey on Drug Use and Health (NSDUH) is a comprehensive annual survey…

Q: We'd like to know the percentage of people living in California who owns a cell phone. How many…

A: It is given that margin of error (E) is 0.04 and the confidence level is 0.95.

Q: Gallup conducted a survey of 1,015 randomly selected U.S. adults about "Black Friday" shopping. They…

A: Suppose pM, pW are the true population proportions of men and women who planned to shop on the…

Q: According to a​ newspaper, 58​% of high school seniors have a​ driver's license. Suppose we take a…

A: Sample size=n=200 Population proportion=p=58%

Q: In a survey of 3428 adults aged 57 through 85 years, it was found that 87.6% of them used at least…

A: From the provided information, Sample size (n) = 3428 It was found 87.6% of them used at least one…

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.