A research institute poll asked respondents if they felt vulnerable to identity theft. In the poll, n 1006 and x 586 who said "yes. Use a 95% confidence level. Find the best point estimate of the population proportion p. A. 0.461 B.0.583 C.1.717 D.0.507

Q: In a recent poll, 460 people were asked if they liked dogs, and 94% said they did. Find the margin…

A: Ans - Given   P  =  94%    = 0.94,     The sample size  n = 460 people          95%  confidence…

Q: A poll asked respondents if they felt vulnerable to identify theft. In the poll, n= 1000 and x= 501…

A:

Q: Use the confidence interval to find the margin of error and the sample mean. (1.71, 1.99)

A: Solution:  Given data: confidence Interval = (1.71, 1.99) To find: 1.Margin of error 2. Sample mean…

Q: A research institute poll asked respondents if they felt vulnerable to identity theft. In the​ poll,…

A:

Q: or each combination of sample size and sample proportion, find the approximate margin of error for…

A: We find Margin of Error (M.E)  for 95% C.I. (d) (e)

Q: Construct a 99% confidence interval estimate for the population mean, N = 36, ?̅= 135, σ = 24

A: As the population standard deviation σ is not known, we will use z-distribution.  The value of z at…

Q: A confidence statement is given as P(19.9 <µ<20.1) =0.95. This was computed using the point…

A:

Q: If n = 590 and ˆp=0.48, find the margin of error at a 99% confidence level E=

A: If n = 590 and ˆp=0.48, find the margin of error at a 99% confidence level

Q: A research institute poll asked respondents if they felt vulnerable to identity theft. In the poll,…

A: Given information: x=586 n=1006

Q: What is the number of data values? O 50 O 78 O 120 49 O 76 How many degrees of freedom are used for…

A: data value 76

Q: If n = 200 and p^ = 0.64, find the margin of error at a 95% confidence level.

A:

Q: 1. A consumer watch group interviewed a random sample of 1000 consumers and asked them if they are…

A: Here use confidence interval for population proportion

Q: Construct the 94% confidence interval estimate of the population proportion ? if the sample size is…

A:

Q: Suppose a simple random sample of 700 was taken from a large population. The sample had 32%…

A: Note:Hey, since there are multiple sub-parts question posted, we will answer first three sub-parts.…

Q: If a confidence interval for a binomial proportion is (11.854, 13.385), which of the following would…

A:

Q: If n=20, (x-bar)=44, and s=9, find the margin of error at a 98% confidence level Give your answer to…

A:

Q: If n=11, ¯xx¯(x-bar)=32, and s=9, find the margin of error at a 98% confidence level

A:

Q: A research institute poll asked respondents if they felt vulnerable to identity theft. In the poll,…

A: (a). Find the best point estimate of the population proportion p: It is given that, in a poll of n =…

Q: Do People Think the Sun Goes around the Earth? In the 2018 General Social Survey, people were asked…

A: According to our policy we can answer only first three part for remaining please repost the…

Q: A research institute poll asked respondents if they felt vulnerable to identity theft. In the​ poll,…

A: Given , n = 1008 x = 598

Q: 2. A researcher wants to estimate the daily expenses of college students. He wants a 95% confidence…

A: We have given that,  Population standard deviation (σ) = 99.50, margin of error (E) = 45 and…

Q: A random sample of 600 voters in Centreville indicated that 90 of them believed their congressional…

A: Formula for confidence interval for population proportion : CI =p^ ± E  Where ,  p^ is sample…

Q: If n=12, ¯xx¯(x-bar)=44, and s=5, find the margin of error at a 99% confidence level

A: Given: margin of error for a 99% confidence interval. n=12 x¯(x-bar)=44 s=5

Q: Two samples are taken with the following numbers of successes and sample sizes r1 = 40 r2 = 33 n1 =…

A:

Q: answer

A: Given: Population proportion, p = 0.25 Margin of error, E = 0.06 Confidence interval = 95% Then, by…

Q: Use the given degree of confidence and sample data to construct a confidence interval for the…

A: It is given that n=195 and x=162. The sample proportion is 162/195 = 0.8308 The sample size is 195…

Q: A research institute poll asked respondents if they felt vulnerable to identity theft. In the poll,…

A:

Q: Use the given degree of confidence and sample data to construct a confidence interval for the…

A:

Q: Use the confidence interval to find the margin of error and the sample mean. (1.59,1.89)

A: Given data,Lower limit=1.59Upper limit=1.89Margin of error=?

Q: Use the given confidence interval to find the margin of error and the sample mean. (71.7, 87.3)

A:

Q: What Z score would be used to construct a 90% confidence level? Is it ... a. 1.65 b. 2.33 c.…

A: Confidence Level = 90 Significance Level = α = (100-90)% = 0.1 Critical value = z* = 1.65   […

Q: NASA is interested in the true proportion of children who are interested in becoming astronauts. At…

A: Disclaimer: Since you have asked multiple questions, we will solve the first question for you. If…

Q: If about 75% of the students of a certain university are expected to use a laptop for online…

A: Given,sample proportion (p^)=0.75margin of error(E)=0.05α=1-0.99=0.01α2=0.005Z0.005=2.5758…

Q: Use the given data to construct a 99.9% confidence interval for the population proportion p. x=53,…

A: Given: n= 72 ,x= 53 At 99.9 % confidence level , z score= 3.291 Need to find confidence interval…

Q: 3. Aresearcher wants to estimate the daily expenses of college students. He wants a 99% confidence…

A:

Q: Suppose a 90 percent confidence interval to estimate a population proportion was calculated from a…

A: Solution: From the given information, the sample proportion is 18% and a margin of error is 4…

Q: Construct a confidence interval for the population proportion p. n ? 144, x ? 86, 90% confidence

A: Given: Confidence level = 0.90 Sample size (n) = 144 x = 86 Sample proportion p^=xn=86144

Q: 19) A political survey had a margin of error of 4.25%. If the surveyor used a 90% confidence level…

A: Assume p-hat as 0.5, since no preliminary estimate is available.

Q: A research institute poll asked respondents if they felt vulnerable to identity theft. In the poll,…

A: Given data n=1026 x=520 confidence interval=95%

Q: If n=570 and ˆpp^ (p-hat) =0.89, find the margin of error at a 95% confidence levelGive your answer…

A: It is given that the value of n is 570, p hat is 0.89 and the confidence level is 0.95.Here,

Q: If no previous study has been done, give the sample size we should use to find p with a margin of…

A: From the provided information, Margin of error (E) = 0.02 The confidence level = 90% The sample…

Q: In a survey of 1037 US adults ages 65 and over, 643 were concerned about getting the flu. A 99%…

A:

Q: if n = 42, p = 0.6 then construct the 98% confidence interval for the population proportion.

A:

Q: If n=10, ¯xx¯(x-bar)=44, and s=8, find the margin of error at a 80% confidence level

A:

Q: Which confidence level will produce the widest confidence interval, given a sample proportion of…

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Q: If n=12, x¯(x-bar)=47, and s=3, find the margin of error at a 80% confidence level

A: Margin of error (E): The margin of error for sample mean is given by,

Q: If n=17, (x-bar)=44, and s=8, find the margin of error at a 95% confidence level

A: The sample mean is 44 and standard deviation is 8.

Q: A research institute poll asked respondents if they felt vulnerable to identity theft. In the poll,…

A: Given, The sample proportion is,

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.