In a survey of 2494 adults in a recent​ year, 1446 say they have made a New​ Year's resolution.   Construct​ 90% and​ 95% confidence intervals for the population proportion. Interpret the results and compare the widths of the confidence intervals.       The​ 90% confidence interval for the population proportion p is ,. ​(Round to three

Q: If n=19, x(x-bar)=32, and s=3, construct a confidence interval at a 90% confidence level. Assume the…

A: Mean = 32 Standard deviation = 3 Sample size = 19

Q: If n = 24, ¯xx¯ = 30, and s = 3, construct a confidence interval at a 98% confidence level. Assume…

A: Given: x~N(μ,σ)n=24x¯=30s=3α=0.02

Q: If n=28, x¯(x-bar)=49, and s=4, construct a confidence interval at a 80% confidence level. Assume…

A: Given: Sample size (n) = 28 Sample mean (x̅) = 49 Standard deviation (s) = 4 Confidence level = 80%…

Q: % confidence level. Assume the data came from a normally distributed population. Give your answers…

A: Sample Mean, x̄ = 35.0 sample standard deviation, s = 10.0 Sample Size, n = 24 confidence level, c=…

Q: Express the confidence interval (0.078,0.132) in the form of p−E<p<p+E.

A: It is given that, the confidence interval is (0.078, 0.132). We have to write the confidence…

Q: Construct the confidence interval for the population mean µ. c= 0.95, x= 4.2, o = 0.5, and n= 48 A…

A: From the provided information, Sample size (n) = 48 Sample mean (x̅) = 4.2 Population standard…

Q: n=11, ¯x¯(x-bar)=45, and s=8, construct a confidence interval at a 80% confidence level. Assume the…

A: A confidence interval is an interval (corresponding to the kind of interval estimators) that has the…

Q: If n=27, (x-bar)=39, and s=19, construct a confidence interval at a 99% confidence level. Assume the…

A: According to the given information, we have Sample size, n = 27 Sample standard deviation, s = 19…

Q: If n = 190 and ˆpp^ = 0.74, construct a 95% confidence interval. Give your answers to three…

A:

Q: If n = 22, ¯xx¯ = 36, and s = 14, construct a confidence interval at a 98% confidence level. Assume…

A: From the provided information, Sample size (n) = 22 Sample mean (x̄) = 36 Standard deviation (s) =…

Q: Construct the confidence interval for the population mean μ.   c=0.95​, x=9.5​, σ=0.5​, and n=47…

A: c = 0.95 represents the confidence level. x = 9.5 represents the sample mean σ = 0.5 represents the…

Q: Construct the confidence interval for the population mean µ. c=0.98, x=7.4, o = 0.6, and n = 51 A…

A: Here we need to construct a 98% confidence interval. Here the population standard deviation is…

Q: If n = 22, ¯xx¯ = 30, and s = 9, construct a confidence interval at a 98% confidence level. Assume…

A: According to the provided information, n  = 22,  ¯x = 30 s = 9 degrees of freedom = n-1 = 22-1 = 21…

Q: 8. If n=15, ¯xx¯(x-bar)=47, and s=2, construct a confidence interval at a 80% confidence level.…

A:

Q: If n = 14, ¯x = 50, and s = 3, construct a confidence interval at a 95% confidence level. Assume the…

A: Given information: The sample mean is x-bar = 50. The sample standard deviation is s = 3. The sample…

Q: Construct the confidence interval for the population mean μ. c=0.95, x=8.3, o=0.2, and n = 44 A 95%…

A: Given data isc=0.95Mean(x)=8.3standard deviation(σ)=0.2sample size(n)=44

Q: If n = 22, ¯xx¯ = 50, and s = 18, construct a confidence interval at a 95% confidence level. Assume…

A:

Q: Sam computed a 90% confidence interval for ? from a specific random sample of size n. He claims that…

A: The confidence interval at 100 (1 – α) % confidence level gives us an interval estimate about the…

Q: Construct the confidence interval for the population mean μ. c=0.95​, x=15.9​, σ=3.0​, and n=…

A: Answer - Construct the confidence interval for the population mean μ.c=0.95​,  x = 15.9​, σ = 3.0​…

Q: Construct the confidence interval for the population mean μ. c=0.98​,x=15.1​,σ=2.0​,andn=100…

A: From the provided information, Sample size (n) = 100 Sample mean (x̅) = 15.1 Standard deviation (σ)…

Q: . If n = 16, ¯x = 35, and s = 16, construct a confidence interval at a 99% confidence level. Assume…

A:

Q: Express the confidence interval 28.1 % <p < 34.7 % in the form of p + E

A: The form of p ^ ± E = 31.4 ± 3.3

Q: If n=13, ¯x(x-bar)=44, and s=3, construct a confidence interval at a 99% confidence level. Assume…

A: Here, n is 13, x-bar is 44, and s is 3. Critical value: Using Excel formula…

Q: Express the confidence interval(0.026,0.088)in the form of p−E<p<p+E.

A: Solution: From the given information, the confidence interval for the population proportion is…

Q: If n = 16, ¯xx¯ = 45, and s = 11, construct a confidence interval at a 99% confidence level. Assume…

A:

Q: onstruct the confidence interval for the population mean μ.   c=0.95​, x=16.7​, σ=4.0​, and n=45…

A:

Q: Express the confidence interval 77.8 % < p < 90.6 % in the form of p± E. % +

A: The confidence interval is 77.8%&lt;p&lt;90.6%.

Q: Express the confidence interval 79.4 % < p < 92.2 % in the form of p ± E. % +

A:

Q: The following confidence interval is obtained for a population proportion, p: 0.724<p<0.752.  Use…

A: Given confidence interval 0.724 &lt; p̂ &lt; 0.752

Q: Find a​ 95% confidence interval for the true population proportion. Round values to the nearest…

A:

Q: The following confidence interval is obtained from a population proportion, p: 0.883 < p < 0.911…

A: We know that the confidence interval formula is: Here E=Margin of error   Using the formula we get…

Q: Construct the confidence interval for the population mean μ.   c=0.98​, x=7.7​, σ=0.3​, and n= 47…

A:

Q: Express the confidence interval 7 % < p < 17 % in the form of p + E.

A:

Q: Construct the confidence interval for the population mean µ. c = 0.90, x = 16.5, o = 9.0, and n= 35…

A: Solution: From the given information, the confidence level is 0.90, x-bar=16.5, σ=9 and n=35.

Q: Which of the following is(are) TRUE about the confidence interval on one population mean? I. A 90%…

A: We can understand with the help of example

Q: Construct the confidence interval for the population mean μ.   c=0.90​,x=4.6​,σ=0.6​,andn=51   A…

A: It is given that, x̅=4.6,  n=51 and σ=0.6 then 90% confidence interval for μ can be obtained as…

Q: Express the confidence interval 82.6 % < p < 91.4% in the form of p ± E.

A: Given: The confidence interval is 82.6% &lt;p &lt; 91.4% The lower bound is 82.6% and upper bound is…

Q: 2. Based on a sample of 100 participants, a 95% confidence interval for the average weight loss the…

A: Given info: Based on a sample of 100 participants, a 95% confidence interval for the average weight…

Q: If n=15, ¯xx¯(x-bar)=33, and s=15, construct a confidence interval at a 90% confidence level. Assume…

A: Confidence interval gives the range of values within the parameter of the population lies with a…

Q: If n=26, ¯xx¯(x-bar)=40, and s=8, construct a confidence interval at a 80% confidence level. Assume…

A: It is given that Sample size n = 26 Sample mean = 40 Sample SD s = 8 The critical value of t at df =…

Q: A poll is taken in which 369 out of 550 randomly selected voters indicated their preference for a…

A: We want to find 90% confidence interval for proportion  n=550 , X=369

Q: If n=27, x¯(x-bar)=41, and s=3, construct a confidence interval at a 98% confidence level. Assume…

A:

Q: If n = 24, ¯xx¯ = 30, and s = 3, construct a confidence interval at a 98% confidence level. Assume…

A: Given information Sample mean (x̅) = 30 Sample standard deviation s = 3 Sample size n = 24 98%…

Q: Express the confidence interval 13.5 % < p < 31.5 % in the form of p + E.

A: Given confidence interval is 13.5%&lt;p&lt;31.5%   Express inform of p±E

Q: Construct the 9292% confidence interval estimate of the population proportion ?p if the sample size…

A: Givensample size(n)=200No.of successes in sample(x) =118p^=xn=118200=0.59Confidence…

Q: Construct the 99% confidence interval for the difference m1-m2 when x bar = 476.88, x bar = 318.32,…

A: Given that the sample sizes for two populations are n1=19 and n2=22. Since, both the sample sizes…

Q: Express the confidence interval 43.8 % < p < 53.4 % in the form of p± E. %

A:

Q: A 90% confidence interval for p=0.37 and n=475

A: Given P=0.37 n=475

Q: If n= 21, x¯(x-bar)= 37, and s= 20, construct a confidence interval at a 99% confidence level.…

A: Given that, Mean = 37 Standard deviation = 20 Sample size = 21

Q: If n=26, ¯xx¯(x-bar)=45, and s=6, construct a confidence interval at a 98% confidence level. Assume…

A: