Assume that a sample is used to estimate a population proportion p. Find the 98% confidence interval for a sample of size 193 with 48 successes. Enter your answer as a tri-linear inequality using decimals (not percents) accurate to three decimal places.

Q: If n=100 and X = 80, construct a 95% confidence interval. Enter your answer as an open-interval…

A: Sample proportion: Z-critical value: Point estimate Margin of error Round to three decimal…

Q: Assume that a sample is used to estimate a population proportion p. Find the 95% confidence interval…

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Q: used to estimate a population proportion p. Find the 98% confidence interval for a sample of size…

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Q: Express the confidence interval 60.2 % ± 3.1 % in the form of a trilinear inequality. % < p <

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Q: Assume that a sample is used to estimate a population proportion p. Find the 99.5% confidence…

A: The value of z at a 99.5% confidence level is 2.807, which can be found by using the standard normal…

Q: Assume that a sample is used to estimate a population proportion p. Find the 99% confidence interval…

A: We have given that  Sample size n = 335 Sample proportion p^=53%=0.53

Q: Assume that a sample is used to estimate a population proportion p. Find the 95% confidence interval…

A: Given that  Sample size (n) = 324 Success proportion (P) = 33% = 0.33 Confidence level (C) = 95%…

Q: Assume that a sample is used to estimate a population proportion p. Find the 99.9% confidence…

A: Sample proportion: Z-critical value: given: Refer Standard normal table/Z-table OR use excel…

Q: Assume that a sample is used to estimate a population proportion p. Find the 99% confidence interval…

A: The confidence level is provided as 99%. The level of significance = 1 – confidence level = 1 – 0.99…

Q: Express the confidence interval 45.5% ±3.3% in the form of a trilinear inequality. % < p <

A: Given confidence interval is 45.5% ± 3.3%

Q: In our Condor Cafe, the Oxnard College Culinary Program offers the most delicious and affortable…

A: Confidence interval: It is defined as the range which contains the value of true population…

Q: Assume that a sample is used to estimate a population mean μμ. Find the 80% confidence interval for…

A: Given that, Sample size n=554 Sample mean x¯=64.1 Sample standard deviation s=15.8

Q: Assume that a sample is used to estimate a population proportion p. Find the 99.5% confidence…

A: We have given that  Sample size (n)=89 Number of favorable cases (X)=49  We have to find the…

Q: The result of an accounting test was collected, and the grades and gender are summarized below…

A: Obtain the 85% confidence interval for the population proportion of all female students who would…

Q: Assume that a sample is used to estimate a population proportion p. Find the 98% confidence interval…

A: Solution

Q: Assume that a sample is used to estimate a population proportion p. Find the 80% confidence interval…

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Q: Assume that a sample is used to estimate a population proportion p. Find the 95% confidence interval…

A: Provided information: Sample size = 215 77 successes 95% confidence level

Q: Express the confidence interval 28.9%±4.7% in the form of a trilinear inequality.

A: From the provided information, The confidence interval is in the form: 28.9% ± 4.7%

Q: Express the confidence interval 830.9 ± 133.7 in the form of a trilinear inequality. <μ<

A: The given Confidence Interval is 830.9±133.7

Q: Assume that a sample is used to estimate a population proportion p. Find the 99.9% confidence…

A: given, p¯ =60%=0.60n=329at confidence level 99.9%,significance level(α)α=1-99.9%α=1-0.999α=.001by z…

Q: Assume that a sample is used to estimate a population proportion p. Find the 80% confidence interval…

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Q: Assume that a sample is used to estimate a population mean μμ. Find the 95% confidence interval for…

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Q: Express the confidence interval 88.9 % ± 4.9 % in the form of a trilinear inequality. % <p < %

A: The confidence interval is calculated as,CI = Point estimate ± Margin of errorSubstitute the given…

Q: Assume that a sample is used to estimate a population proportion p. Find the 90% confidence interval…

A: Given n=239 x=50

Q: Express the confidence interval 37.8 % ± 3.8 % in the form of a trilinear inequality. % <p <

A: We have to express the confidence interval from given data..

Q: Express the confidence interval 507.1 + 150.3 in the form of a trilinear inequality.

A: The formula of confidence interval, CI = Sample mean +- margin of error

Q: The effectiveness of a blood-pressure drug is being investigated. An experimenter finds that, on…

A: The degrees of freedom is, df=n-1=23-1=22 The degrees of freedom is 22. Computation of critical…

Q: Express the confidence interval 30.2 % ± 3.7 % in the form of a trilinear inequality. % <p < %

A: The given confidence interval is, The given confidence interval is in the form of p^±E  That is,…

Q: Assume that a sample is used to estimate a population proportion p. Find the 90% confidence interval…

A: Given that  Confidence level (C) = 90% = 0.90 Sample size (n) = 271 Number of successes (x)  = 70…

Q: Assume that a sample is used to estimate a population proportion p. Find the 99.9% confidence…

A: The sample proportion of the sample of size n can be defined as: p^=xn Here, x = Total number of…

Q: Assume that a sample is used to estimate a population proportion p. Find the 99.9% confidence…

A: For, 99.9% confidence interval So, the critical value for 99.9% is = 3.291

Q: Assume that a sample is used to estimate a population proportion p. Find the 98% confidence interval…

A: Find z-critical value:…

Q: Assume that a sample is used to estimate a population proportion p. Find the 98% confidence interval…

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Q: Assume that a sample is used to estimate a population proportion p. Find the 99.5% confidence…

A: Here we need to find a 99.5% confidence interval for the population proportion p. Given sample size=…

Q: Assume that a sample is used to estimate a population mean μ. Find the 80% confidence interval for a…

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Q: Assume that a sample is used to estimate a population proportion p. Find the 98% confidence interval…

A: Given that  n=291 , X=82 Formula for confidence interval  C.I=(p  ± Zc √(p(1 - p)/n))

Q: Express the confidence interval 19.8 % ± 4.2 % in the form of a trilinear inequality. % <p<

A: Given, CI = 19.8%±4.2%

Q: Assume that a sample is used to estimate a population proportion p. Find the 80% confidence interval…

A: Here number of samples , n = 227 positive samples , x = 92 So, sample proportion, p^ = 29227  =…

Q: Assume that a sample is used to estimate a population proportion P. Find the 99% confidence interval…

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Q: Assume that a sample is used to estimate a population proportion p. Find the 95% confidence interval…

A: Sample proportion Z-critical value:

Q: 99 students at a college were asked whether they had completed their required English 101 course,…

A: Here, α = 0.20 (= 1 – 80%). Using Excel formula “=NORM.S.INV(1-(0.20/2))”, the critical value at 80%…

Q: Assume that a sample is used to estimate a population proportion p. Find the 90% confidence interval…

A: The point estimate of population proportion is sample proportion. The point estimate is as follows:…

Q: Assume that a sample is used to estimate  a  population proportion p . Find the 98% confidence…

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Q: Express the confidence interval 35.1 % ±6.7 % in the form of a trilinear inequality. % < p <

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Q: Assume that a sample is used to estimate a population proportion p. Find the 95% confidence interval…

A: According to the given information, we have Sample proportion = 0.54 Sample size = 281 95%…

Q: The result of an anthropology test was collected, and the grades and gender are summarized below A…

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Q: Assume that a sample is used to estimate a population proportion p. Find the 95% confidence interval…

A: The sample size is 393 with 65.9% successes. That is, n=393,p^=0.659. The confidence level is 95%.…

Q: Assume that a sample is used to estimate a population proportion p. Find the 99% confidence interval…

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Q: Enter your answer as an open-interval (i.e., parentheses) accurate to one decimal place. Confidence…

A: Reviewing information, X=(82.1, 87.1, 84.6, 81.3, 81.8, 86.1, 82.3, 86.7, 84.6)