In a survey of 2311 adults, 700 say they believe in UFOS.Construct a 90% confidence interval for the population proportion of adults who believe in UFOS.A 90% confidence interval for the population proportion is ( )(Round to three decimal places as needed.)Interpret your results. Choose the correct answer below.O A. With 90% confidence, it can be said that the sample proportion of adults who believe in UFOS is between the endpoints of the given confidence interval.O B. With 90% probability, the population proportion of adults who do not believe in UFOS is between the endpoints of the given confidence interval.O C. With 90% confidence, it can be said that the population proportion of adults who believe in UFOS is between the endpoints of the given confidence interval.O D. The endpoints of the given confidence interval shows that 90% of adults believe in UFOS.

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Answered: In a survey of 2311 adults, 700 say…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Need help on this practice. A and B please
In a survey of 2269 adults, 701 say they believe in UFOs. Construct a 95% confidence interval for the population proportion of adults who believe in UFOs. A 95% confidence interval for the population proportion is (nothing,nothing). (Round to three decimal places as needed.) Interpret your results. Choose the correct answer below. A. With 95% confidence, it can be said that the population proportion of adults who believe in UFOs is between the endpoints of the given confidence interval. B. The endpoints of the given confidence interval shows that 95% of adults believe in UFOs. C. With 95% confidence, it can be said that the sample proportion of adults who believe in UFOs is between the endpoints of the given confidence interval. D. With 95% probability, the population proportion of adults who do not believe in UFOs is between the endpoints of the given confidence interval.
A survey asked, "How many tattoos do you currently have on your body?" Of the 1241 males surveyed, 182 responded that they had at least one tattoo. Of the 1047 females surveyed, 139 responded that they had at least one tattoo. Construct a 99% confidence interval to judge whether the proportion of males that have at least one tattoo differs significantly from the proportion of females that have at least one tattoo. Interpret the interval. P1 Let p, represent the proportion of males with tattoos and p, represent the proportion of females with tattoos. Find the 99% confidence interval for p, - p2. The lower bound is The upper bound is (Round to three decimal places as needed.)
Translate the statement into a confidence interval. Approximate the level of confidence. In a survey of 1011 parents of children ages 8-14, 70% say they are willing to get a second or part-time job to pay for their children's college education and 42% say they lose sleep worrying about college costs. The survey's margin of error is +2%. Use the results from the survey about getting a second or part-time job. The confidence interval for the proportion is ( D (Round to three decimal places as needed.)
Please help me solve: A. how many subjects have at least one Rx B. construct a 99% confidence interval
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. A 99% confidence interval for the population proportion is ( ). (Round to three decimal places as needed.) Enter your answer in the edit fields and then click Check Answer. ? part 1 remaining Clear All Check Answer
If we find a 95% confidence interval using a sample, then we can say... 95% of individuals will fall on that interval there is a 5% chance the population proportion is NOT on the interval. 95% of our samples will fall on that interval. No answer text provided.
In a survey of 2345 adults, 729 say they believe in UFOs. Construct a 90 % confidence interval for the population proportion of adults who believe in UFOs. A 90%confidence interval for the population proportion is (Round to three decimal places as needed.) Interpret your results. Choose the correct answer below. A. With 90% confidence, it can be said that the sample proportion of adults who believe in UFOs is between the endpoints of the given confidence interval. B. With 90% probability, the population proportion of adults who do not believe in UFOs is between the endpoints of the given confidence interval. C. The endpoints of the given confidence interval shows that 90% of adults believe in UFOs. D. With 90% confidence, it can be said that the population proportion of adults who believe in UFOs is between the endpoints of the given confidence interval.
A research institute poll asked respondents if they felt vulnerable to identity theft. In the poll, n=935 and x=561 who said "yes." Use a 95% confidence level.
In a survey of 2343 adults, 700 say they believe in UFOs. Construct a 90%confidence interval for the population proportion of adults who believe in UFOs. Part 1 A 90% confidence interval for the population proportion is ( __, __ ) Interpret your results. Choose the correct answer below. A. The endpoints of the given confidence interval shows that 90% of adults believe in UFOs. B. With 90% confidence, it can be said that the population proportion of adults who believe in UFOs is between the endpoints of the given confidence interval. C. With 90% confidence, it can be said that the sample proportion of adults who believe in UFOs is between the endpoints of the given confidence interval. D. With 90% probability, the population proportion of adults who do not believe in UFOs is between the endpoints of the given confidence interval.
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