n a recent poll, 290 people were asked if they liked dogs, and 85% said they did. Find the Margin of Error for this poll, at the 99% confidence level. Give your answer to four decimal places if possible. 2. 86 students at a college were asked whether they had completed their required English 101 course, and 46 students said "yes". Find the best point estimate for the proportion of students at the college who have completed their required English 101 course. Round to four decimal places.

Q: If n=470 andp (p-hat) =0.69, find the margin of error at a 95% confidence level Give your answer to…

A: If the number of possible observations from the total sample size is calculated using the proportion…

Q: Please explain this problem simply.   If n=440 and ˆpp^ (p-hat) =0.63, find the margin of error at…

A: From the given information, sample size n = 440. Sample proportion  Confidence level  Level of…

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A: Obtain the critical value: The confidence level is 100*(1–α)% = 95%. The critical value…

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A:

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

A:

Q: If n=280 and ˆpp^ (p-hat) =0.83, find the margin of error at a 99% confidence level Give your…

A: The margin of error = The margin of error (ME) expresses the maximum expected differences between…

Q: In a survey of 3444 adults aged 57 through 85​ years, it was found that 85.9​% of them used at least…

A:

Q: If n=360 and p (p-hat) =0.29, find the margin of error at a 95% confidence level Give your answer to…

A: Given that : Sample size (n) = 360 P(hat) = 0.29 Confidence interval is 95%  We use here, Margin of…

Q: In a survey of 323 adults over 50, 60% said they were taking vitamin supplements. Find the margin of…

A:

Q: According the the U.S. Census bureau, the percentage of Santa Ana residents living in poverty is…

A: Given: p^1=0.177p^2=0.133n1=1200n2=1500

Q: If n=450 and ˆpp^ (p-hat) =0.48, find the margin of error at a 99% confidence level Give your…

A: Given n=450 and p^=0.48, level of significance ɑ=0.01

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A:

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A:

Q: According to a survey conducted by Pew Research Center in June 2009, 44% of people aged 18 to 29…

A:

Q: Out of 300 people sampled, 192 had kids. The best point estimate for p is The margin of error for a…

A: Given information- Confidence level, c = 0.99 So, significance level (α) = 0.01 Sample size, n = 300…

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A: Given Information: Sample size (n) = 850 Out of which x = 600 people chose dark chocolate.…

Q: If n=380 and p (p-hat) =0.52, find the margin of error at a 95% confidence level Give your answer to…

A: Dear student, If you find this solution helpful please upvote ? it. The solution is given below:

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A:

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A: Given: X=475N=500ME=0.01CI=0.99

Q: If n=130 and ôp (p-hat) =0.93, find the margin of error at a 99% confidence level Give your answer…

A: Here, the margin of error for proportion p^ is to be calculated. The formula is given by, z*p^1-p^n,…

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A:

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A:

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A:

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A: n = 570 p^=0.51 95% confidence level

Q: (b) Find an 80% confidence interval and interpret it. (c) Which interval is wider? (d) How…

A: For the given data (b) Find an 80% confidence interval and interpret it.  (c) Which interval is…

Q: a magazine provided results from a poll of 2000 adults who were asked to identify their favorite…

A: Given Information: A magazine provided results from a poll of 2000 adults who were asked to identify…

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A: In question, We'll discuss that which confidence level produced widest confidence interval. The…

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A:

Q: It is believed that 29.92% of U.S. homes have a direct satellite television receiver. How large a…

A: Solution.

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A:

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A: The sample proportion is calculated using the formula:

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Q: A random sample of 40 12th-grade students was asked how long it took to get to school. The sample…

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Q: Dr. Soria surveyed 34,000+ college students about their rates of housing insecurity during the…

A: The proportion of college students experiencing housing insecurity at that time is 0.22, and the…

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A: From the provided information,

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

A:

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.

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A: It is given that sample proportion p-hat is 0.22 and the margin of error is 0.02.

Q: If n=350 and p (p-hat) =0.28, find the margin of error at a 99% confidence level Give your answer to…

A: n = 350p^ = 0.2899% confidence level

Q: The General Social Survey asked the question:” For how many days during the past 30 days was your…

A: Hi! Thank you for the question, As per the honour code, we are allowed to answer three sub-parts at…

2-Proportion Test

In a 2-proportion test, two separate proportions are measured at the same time, and their similarity is evaluated. It is also known as a 2-proportion z-test, and a comparison of two different proportions is done in this method.