In a survey of 2268 adults, 709 say they believe in UFOS. Construct a 99% confidence interval for the population proportion of adults who believe in UFOS. A 99% confidence interval for the population proportion is (Round to three decimal places as needed

Q: In a survey of 2285 ​adults, 734 say they believe in UFOs.   Construct a 95% confidence interval for…

A: Given that, In a survey of 2285 ​adults, 734 say they believe in UFOs. 95% confidence level

Q: Ninety-four percent of students said that cash is their top choice for a graduation gift. If 75…

A: It is given that sample size (n) is 75and the sample proportion value is 0.94.

Q: In a recent poll, 470 people were asked if they liked dogs, and 94% said they did. Find the Margin…

A:

Q: In a survey of 2977 adults, 1495 say they have started paying bills online in the last year.…

A: Given: n= 2977 ,x= 1495 At 99.0 % confidence level , z score= 2.576 Need to find confidence…

Q: In a survey of 2695 adults, 1446 say they have started paying bills online in the last year.…

A:

Q: In a survey of 2297 ​adults, 729 say they believe in UFOs.   Construct a 99% confidence interval for…

A: Given, The sample proportion is,

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: In a survey of 2587 adults in a recent​ year, 1241 say they have made a New​ Year's resolution.…

A: From the provided information Sample size (n) = 2587 1241 say they have made a New​ Year's…

Q: A survey of 100 men found that 68% said they find it hard to buy holiday gifts that convey their…

A: Solution

Q: To assess the proportion of the readers of a magazine being professional, a random sample of 1000…

A: Given that the random sample of 1000 readers is selected and 660 are found to be professionals. That…

Q: In a survey of 2285 adults, 734 say they believe in UFOS. Construct a 95% confidence interval for…

A:

Q: In a 2008​ survey, people were asked their opinions on astrology​ - whether it was very​ scientific,…

A: We have given that people were asked their opinions on astrology​ - whether it was very​ scientific,…

Q: n a survey of 2847 ​adults, 1408 say they have started paying bills online in the last year.…

A: Given that  Sample size (n) =2847 People started paying bills online (x) = 1408 Proportion (p) =…

Q: In a recent poll, 170 people were asked if they liked dogs, and 87% said they did. Find the Margin…

A: Given  p = 0.85, n = 170  Find margin of error for this poll

Q: Construct the 99% confidence interval for the difference when 3-47688, -318.32, -42.11, -2680, -19,…

A: Test hypothesisNull Hypothesis H0: μ1=μ2Alternative Hypothesis Ha: μ1≠μ2For group 1 Sample size…

Q: In a recent poll, 490 people were asked if they liked dogs, and 51% said they did. Find the Margin…

A: Given data,n=490p=51%=0.51z-value at 99% confidence is Zc=2.576E=?

Q: In a survey of 3177 adults aged 57 through 85 years, it was found that 83.6% of them used at least…

A: Given that,  Sample size is n= 3177 And proportion, p= 83.6%  83.6% on 3177 people used at least one…

Q: In a survey of 2345 ​adults, 729 say they believe in UFOs.   Construct a 90 % confidence interval…

A: Given information- Sample size, n = 2345 We have given that out of 2345 adults 729 says they believe…

Q: A recent survey of 1,000 people found that 90% of Americans support background checks for purchasing…

A: