Use the given data to find the minimum sample size required to estimate the population proportion.   Margin of​ error: 0.05​; confidence​ level: 99%; from a prior​ study, p is estimated by 0.15.

Q: 2. Given: n=80, a = 15, level of confidence is 92%. What is the margin of error of the given data?

A:

Q: Use the given data to find the minimum sample size required to estimate a population proportion or…

A: Error = 2% = 0.02 Confidence level = 0.95 Significance level α = 0.05 Population proportion p^ =…

Q: The mean lifetime of a car engine is believed to be greater than 175,000 miles. Sample data are: n=…

A:

Q: Determine the margin of error for the confidence interval for the proportion: 0.527 < p < 0.799…

A: given data, the confidenece interval 0.527&lt;p&lt;0.799we have to find out the margin of error for…

Q: Use the given information to find the minimum sample size required to estimate an unknown population…

A: The margin of error (MOE)=126 Standard deviation (σ) =500 Confidence level=99% The objective is to…

Q: Determine the level of confidence in the preparation of the population mean confidence interval if…

A:

Q: Determine the margin of error for the confidence interval for the proportion: 0.509<p<0.845 The…

A: The given confidence interval is about population mean. We have to find the margin of error. Margin…

Q: Use the sample shown to construct a 90% confidence inter estimate the population mean. Express your…

A: As the population standard deviation is not known, we will use t-distribution. The edges of freedom…

Q: With 99% confidence, maximum error is 0.06 and the proportion p = 0.5. Find the sample size. a. 463…

A: Given data with 99% confidence maximum error is 0.06 and proportion p=0.5

Q: Determine the margin of error for the confidence interval for the proportia 0.508 <p<0.855 The…

A: It is given that, the confidence interval is (0.508, 0.855).

Q: Use the given data to find the minimum sample size required to estimate the population proportion.…

A: Given,margin of error(E)=0.058sample proportion (p^)=0.235α=1-0.76=0.24α2=0.12Z0.12=1.175…

Q: r a confidence level of 95% with a sample size of 30, find the critical t value

A: given data, CI=0.95α=1-0.95=0.05n=30df=n-1=30-1=29ctitical t- value =?

Q: In a study of government financial aid for college students, it becomes necessary to estimate the…

A: The provided information are: Confidence level = 90% = 0.90 Margin of error (E) = 0.05 From the…

Q: Use the given information to find the minimum sample size required to estimate an unknown population…

A: A confidence interval and hypothesis testing are inference process which is used to draw conclusions…

Q: use the given data to find the minimum sample size required to estimate the population proportion.…

A:

Q: 1. California is the most populated state with a population of 38,332,521 (as reported by the U.S.…

A: Given information: Margin of Error=3.5% points=0.035 Confidence level=95% Significance level=5%=0.05…

Q: Understanding student demographics is important for a college in deciding what programs will most…

A:

Q: Use the given information to find the minimum sample size required to estimate an unknown population…

A: It is given that confidence level is 0.99, standard deviation is 588 and margin of error E is 130.

Q: Find the margin of error for the following; 95% confidence, sample mean is 32.5, standard deviation…

A:

Q: Use the given data to find the minimum sample size required to estimate the population proportion.…

A: Given Information: Margin of​ error: 0.03​ confidence​ level: 99% p is estimated by 0.13

Q: Using the given margin of error, confidence level, and likely range for the observed value of the…

A:

Q: Determine the margin of error for the confidence interval for the proportion: 0.557 < μ< 0.837 The…

A: It is given that the confidence interval for proportion is as follows: 0.557 &lt; µ &lt; 0.837.

Q: Find the 95% interval estimate given the following information: the population standard deviation is…

A: Confidence interval give a range of values for the unknown parameter of the population. The width of…

Q: Use the given data to find the minimum sample size required to estimate the population proportion.…

A: The formula of sample size is, Use EXCEL Procedure for finding the critical value of z.   Follow…

Q: Use the given data to find the minimum sample size required to estimate the population proportion.…

A: Ans - Given, Margin of error: E =  0.01;      confidence level: 95%; α = 1 - 0.95 = 0.05 Zα2  = 1.96…

Q: Use the given data to find the minimum sample size required to estimate the population proportion.…

A: The confidence level is 93% Therefore, α = 0.07 and α/2=0.035. The margin of error is 0.002 Since…

Q: Find critical values x, and x; for the given confidence level c and sample size n. Please make sure…

A: Use the chi distribution table to find the required critical scores.  The degrees of freedom = n-1=…

Q: margin of error:0.04; confidence level:95% from a prior study, p is estimated by the decimal…

A: margin of error:0.04; confidence level:95% from a prior study, p is estimated by the decimal…

Q: Determine the most conservative sample size for the estimation of the population proportion for the…

A: The formula to compute sample size using population proportion is,

Q: Sample size determination 1. Determine the sample size needed to estimate a population proportion to…

A: We want to find sample size n = ? Given : 1. margin of error : E =4%=0.04   p is unknown so take…

Q: Given: confidence level = 90% proportion = 50% margin of error = 0.05   compute for the sample…

A: Given that  confidence level = 90% proportion = 50%=0.5 margin of error = 0.05

Q: Find the minimum sample size you should use to assure that your estimate of P hat will be within the…

A: It is given that the margin of error is 0.07. The confidence level is 97%. The z critical value for…

Q: Use the given information to find the minimum sample size required to estimate an unknown population…

A: Given:         Standard Deviation σ = 538         Confidence Level (c) = 95% = 0.95         Margin…

Q: Determine the margin of error for the confidence interval for the proportion: 0.575 <p<0.722

A:

Q: for a sample of 150 that has a mean of 6540 and a standard deviation of .89, calculate the 95%…

A: It is given that mean and standard deviation are 6,540 and 0.89, respectively.

Q: Determine the most conservative sample size for the estimation for the population proportion for the…

A: From the provided information, Confidence level = 95% Margin of error (E) = 0.03

Q: Use the confidence level and sample data to find the margin of error E. Systolic blood pressures for…

A:

Q: In a study of government financial aid for college students, it becomes necessary to estimate the…

A:

Q: Determine the margin of error for the confidence interval for the proportion: <0.58<p0.821   The…

A: We have given  confidence interval for the proportion: 0.58&lt;p&lt;0.821 LCL =0.58 UCL=0.821…

Q: Use the given data to find the minimum sample size required to estimate the population proportion.…

A: Formula for the sample size needed to estimate a population proportion is

Q: Use the given data to find the minimum sample size required to estimate the population proportion.…

A: From the given information,   Margin error = 0.07 Sample proportion = 0.22   The objective is to…

Q: Determine the margin of error for the confidence interval for the proportion: 0.518 <p<0.774 The…

A: We have to find margin of error

Q: estimate the population proportion p,what is the minimum sample size we need in order to achieve a…

A: Solution: From the given information, confidence level is 0.95, p=0.1 and E=0.01.

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.