In a survey of 2312 adults, 748 say they believe in UFOS. Construct a 99% confidence interval for the population proportion of adults who believe in UFOS.

Q: In a survey of 2279 ​adults, 729 say they believe in UFOs. Construct a 90% confidence…

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Q: In a survey of 1250 U.S. adults, 363 said that their favorite sport to watch is football. The 95%…

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Q: When you construct a 95% confidence interval, what are you 95% confident about?

A: Confidence intervals: Confidence intervals are the limits for the point estimate of population…

Q: In a survey of 517 music teachers, 403 said that the video games Guitar Hero and Rock Band have a…

A: Solution: Let X be number of music teachers said that the video games Guitar Hero and Rock Band have…

Q: In a survey of 2344 ​adults, 715 say they believe in

A: Given that there are 2344 adults and 715 say they believe in UFOs. Consider the sample proportion,…

Q: We surveyed 53 people in an attempt to determine the proportion of Americans who lease a vehicle. 13…

A: The proportion of sample Americans who lease a vehicle is, Thus, the proportion of sample Americans…

Q: In a survey of 1,200 social media users, 56% said it is not okay to be friends with your boss.…

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Q: . How many of the 3335 subjects used at least one prescription​ medication? b. Construct a​ 90%…

A: n = 3335 p = 0.804

Q: In a recent poll, 430 people were asked if they liked dogs, and 41% said they did. Find the margin…

A: It is given that the value of n is 430, p hat is 0.41 and the confidence level is 0.99.

Q: In a survey of 3234 adults aged 57 through 85​ years, it was found that 88.9% of them used at least…

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Q: Of 380 randomly selected medical students, 21 said that they planned to work in a rural community.…

A: Sample proportion=p^=21380z=critical value for 95% confidence interval=1.96n=sample size=380

Q: In a survey of 1005 adults 526 stated construct a 95% confidence interval

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Q: We would like to know: "What percentage of college students read the college newspaper every day?"…

A: It is provided that there is random sample of 500 college students in which 231 students said that…

Q: Construct a 95% confidence interval of the average.

A: Given : Y = 0.00039508 S = 0.0084646 n = 1,259

Q: In one city, 59.6% of the 1500 students surveyed said they eat at the school cafeteria. Find the 95%…

A: Given, Sample size=n=1500 p^=0.596 α=0.05

Q: Of 380 randomly selected medical​ students, 21 said that they planned to work in a rural community.…

A: Given that 380 randomly selected medical​ students, 21 said that they planned to work in a rural…

Q: Find a 95% confidence interval for the proportion of renters.

A: It is given that  Favourable cases, X = 360 Sample size, n = 600 Confidence interval = 95%

Q: In your sample of 200 individuals, 10 people identified as bisexual. What is the true proportion of…

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Q: The confidence interval was (22, 26) What was the point estimate? What was the margin of error?

A: Given confidence interval was (22, 26)

Q: How large is the sample if the confidence level is 97%, Ɛ = 2.5%  and ρ = .35?

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Q: In a poll of 2,500 likely voters, 966 say that the Philippines spend too little on education. Find…

A: Ans- Given the level of confidence interval   90 %                                        Then   α =…

Q: 95% confidence interval for the proportion of adults in the United States who say that their…

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Q: If a researcher uses 90% confidence level, what is the level of significance?

A: We have given that,  Confidence level  (C.I) = 90% = 0.90 Then,  We will find the level of…

Q: In a survey of 1000 people, 850 said they would not to travel to Disney World this summer. Construct…

A: Given: n=1000 and x=850 Then,p^=xn=8501000=0.85

Q: In a survey of 2298 ​adults, 709 say they believe in UFOs. Construct a 95% confidence interval for…

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Q: The confidence interval was (77, 83) What was the point estimate? What was the margin of error?

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Q: A television sports commentator wants to estimate the proportion of Americans who "follow…

A: The value of confidence level (CL) is 0.95.

Q: Out of 500 people sampled, 455 had kids. The best point estimate for p is . The margin of error…

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Q: In a survey of 1,626,773 U.S. adults, 49,311 personally identified as lesbian, gay, bisexual, or…

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Q: State the equation for the 95% confidence interval?

A: The equation for confidence interval can be stated as: Here x̅ is the sample mean, Zα/2 is the…

Q: Of the 998 respondents questioned, 246 identified themselves as Catholic.  Calculate a 95%…

A: Given,X=246n=998p^=Xnp^=246998=0.24651-p^=1-0.2465=0.7535α=1-0.95=0.05α2=0.025Z0.025=1.96   (from…

Q: in a sample of 855 bartenders, 48.0% report hearing complaints from patrons about their jobs. If the…

A: From the given information, the sample size (n) is 855. The sample proportion (p) is 48% that is p =…

Q: A marketing study by Ford Motor Company finds that 320 of the 650 buyers of compact cars were women.…

A: Let the population proportion of women who bought compact cars be P Given:         Sample size n =…

Q: Suppose we would like to estimate the proportion of all NBA fans who thought Aaron Gordon won the…

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Q: Construct a 95% confidence interval for the proportion of college students who say they own their…

A: Given : n=410 , X=155  , α=0.05 We want to find the 95% confidence interval for the proportion of…

Q: In a survey of 1024 US adults, 287 said that their favorite sport to watch is football. a. Find a…

A: From the provided information, Sample size (n) = 1024 Out of which 287 said that their favourite…

Q: Would represent a 90% confidence interval for the average highway mileage of all Smart Cars?

A: we need to find the confidence interval of the mean GIVEN mean=47 S.D=5 n=15

Q: In a survey of 2291 ​adults, 708 say they believe in UFOs.   Construct a 90% confidence interval for…

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Q: A Gallup poll of 1487 adults showed that 43% of the respondents have Facebook pages.  Construct a…

A: Confidence Interval: In statistics, we can say a range of values of the specified population…

Q: Michelle, a student studying music, randomly sampled fellow music majors and asked whether they…

A: Given information- Confidence interval = (0.09, 0.26) We have to find margin of error. We know that-…

Q: A recent study of 750 internet users in Europe found that 35% of internet users were women. What is…

A: It is given that the study of 750 internet users in Europe found that 35% of internet users were…

Q: In a survey of 1219 U.S. adults, 354 said that their favorite sport to watch is football. Construct…

A: According to the given information, we have Total number of U.S. adults = 1219 354 said that their…

Q: In 2013, the Gallup poll asked 1,039 American adults if they believe there was a conspiracy in the…

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Q: In a poll of 2,300 likely voters, 966 say that the Philippines spend too little on education. Find…

A: We have given that the sample size n = 2300, favourable cases X =966 and sample proportion p =…

Q: When 258 college students are randomly selected and surveyed, it is found that 106 own a car. Find a…

A: The provided information is: It is given that 106 college students (s) own a car among 258 college…

Q: When 500 college students were surveyed, 30% said that they own their car. Construct a 95%…

A: Here we want to find the 95% confidence interval.

Q: Construct 95% confidence intervals for the population proportion of college students who gave each…

A: The sample proportion of college students that expect to stay at their first employer for 3 or more…

Q: Of 375 randomly selected students, 30 said that they planned to work in a rural community. Find 95%…

A: Using z ditribution to construct the interval.

Q: Of 380 randomly selected medical students, 21 said that they planned to work in a rural community.…

A: Here we need to construct a 95% confidence interval for the population proportion. Here the sample…

Q: In a survey of 2273 ​adults, 728 say they believe in UFOs.   Construct a 99% confidence interval for…

A: Given Information: Sample size (n) = 2273 Out of which X = 728 adults say they believe in UFOs. To…

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.