In a sample of 300 people, 48 identified as dog owners. Construct a 99% confidence interval for the true proportion of people who are dog owners.

Q: a survey of 3447 adults, 1477 say they have started paying bills online in the last year.…

A:

Q: A sample of 500 nursing applicants included 80 men.  Determine the 95% confidence interval for the…

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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: aOf 500 random people surveyed, 72 were smokers. Find the 80% confidence interval for smokers.

A: It is given that, Out of 500 random people surveyed, 72 were smokers. So, the portion of the…

Q: In a survey of 2782 adults, 1411 say they have started paying bills online in the last year.…

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Q: 82 adults selected randomly from one town, 66 have health insurance. Find a 90% confidence interval…

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

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Q: In a survey of 2745 ​adults, 1477 say they have started paying bills online in the last year.…

A: Given, n= 2745 x=1477 The sample proportion is given by: p^=xn=14772745=0.5381 Also, α=0.99…

Q: In a survey of 2693 ​adults, 1495 say they have started paying bills online in the last year.…

A: Given that, In a survey of 2693 ​adults, 1495 say they have started paying bills online in the last…

Q: In a survey of 3426 ​adults, 1487 say they have started paying bills online in the last year.…

A: From the provided information, Sample size (n) = 3426 Out of which 1487 say they have started paying…

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: Find 90% confidence interval for the true proportion of all medical students who plan to work in a…

A: Given : Sample Size, n = 300 Number of successes, x = 30

Q: A survey showed 980 of 1500 adult respondents believe in global warming. Construct a 95% confidence…

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Q: n a survey of 3196 adults, 1405 say they have started paying bills online in the last year.…

A: Given data, n=3196 x=1405 p=x/n=1405/3196 =0.4396 z-value at 99% confidence is Zc=2.576

Q: A genealogist randomly selected 203 Americans and asked about their heritage. Of those randomly…

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Q: Find a 90% confidence interval for the true proportion of people that eat frog legs, if in a sample…

A: Given, n = 732 p = 0.65 1 - α = 0.90α = 0.1α2 = 0.05   To find, 90% confidence interval for the true…

Q: Of 130 adults selected randomly from one town, 30 of them smoke. Construct a 90% confidence interval…

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Q: Out of 42738 freshmen entering the State University system,  27298 of them need to take remedial…

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

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Q: in a survey of 692 lesbian, gay, bisexual, or transgender U.S adults 378 said that they consider…

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Q: One year’s survey results, of 1525 respondents, 846 said that they expected difficulty finding a…

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Q: Out of 600 people sampled, 402 had kids. Based on this, construct a 95% confidence interval for the…

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Q: A research institute poor ass respondents if they felt vulnerable to identity theft. In the pool, N…

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Q: In a survey of 2569 adults in a recent​ year, 1303 say they have made a New​ Year's resolution.…

A: Given data  n= 2569 X = 1303

Types of Bias

Statistics is the study of data collection, organization, analysis, interpretation, and presentation. Statistical bias is a characteristic of a statistical technique or its findings in which the expected value deviates from the actual root quantitative parameter being estimated. According to the actual definition of bias, it refers to the tendency of a statistic to overestimate or underestimate a parameter.