A confidence statement is given as P(19.9 <µ<20.1) =0.95. This was computed using the point estimates X = 20 and o=9. What is the sample size used in this inference? Round - up the answer to the nearest digit. 34, 500 2, 5600 32,400 2,021

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

A: From the provided information, Sample size (n) = 59 and x = 29 The sample proportion can be obtained…

Q: Assume the given confidence interval for the population mean height of Sequoia trees in Sequoia…

A: The confidence interval is (73.5, 78.7).

Q: Use the given confidence interval to find the margin of error and the sample proportion. (0.704,…

A: The confidence interval for population proportion is given by (0.704, 0.732)

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

A: The provided information are: n=195 x=162 to calculate 95% confidence Interval: p⏞=xn=162195=0.831

Q: a. Suppose you are with a health agency that wants to estimate what percentage of Ohioans really has…

A: Hi, we are supposed to answer one question at a time. Therefore, I am answering the question -a.…

Q: Use the given confidence interval to find the margin of error and the sample proportion.…

A: From the provided information, Confidence interval is (0.751, 0.777)

Q: (b) What sample size should be obtained if he wants to be within 4 percentage points with 95%…

A: B) It is given that margin of error (E) is 0.04 and the confidence level is 0.95.

Q: Suppose that the sample size had been​ 240, with x bar=4.1 and s=3.1. Use technology to find a​ 95%…

A: Sample mean = x̅ = 4.1 Sample size = n = 240 Sample S.D = s = 3.1 Standard Error = s/√n  =…

Q: Determine the margin of error for a confidence interval to estimate the population mean with n = 31…

A:

Q: Use the given confidence interval to find the margin of error and the sample proportion.…

A: The given confidence interval for p is (0.779, 0.803). The value of margin of error is,

Q: Determine sample size for the estimation of the population proportion E=0.024 95%confidence…

A:

Q: Use the given confidence interval to find the margin of error and the sample proportion.…

A: The margin of error and the sample proportion are calculated by using the given confidence interval…

Q: In order to compute an 80% confidence interval for the mean of a population with a sample size of 30…

A: The value of t*at 80% confidence interval with n-1=30-1=29 degree of freedom (df) can be obtained…

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

A:

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

A: Given Information n =87 x =48

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

A: Given information- Margin of error, E = 0.03 Confidence level, c = 90% Since nothing is known about…

Q: Construct the 95% confidence interval estimate of the population proportion ? if the sample size is…

A: Given Data Sample Size, n = 400 Number of successes, x = 52.0 confidence level,c=…

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

A: According to the provided information: The proportion can be calculated as:

Q: Use the given confidence interval to find the margin of error and the sample proportion.…

A: According to the given information, we have Confidence interval = (0.690, 0.718)

Q: In a recent poll, 240 people were asked if they liked dogs, and 69% said they did. Find the margin…

A: Given,sample size(n)=240sample proportion(p^)=0.69α=1-0.90=0.1α2=0.05Z0.05=1.645    (from Z-table)

Q: Given the following information, what is the confidence interval for the population mean? Weight…

A: From the given information we want to construct 90% confidence interval.

Q: Use the given confidence interval to find the margin of error and the sample proportion.…

A: Given data, Lower limit LL=0.621 Upper limit UL=0.651   Margin of error(E)=? Sample proportion p=?

Q: Assume the given confidence interval for the population mean height of Sequoia trees in Sequoia…

A: Given: Lower limit = 56.1 Upper limit =63.4 The Sample mean can be calculated as: Sample mean =…

Q: Suppose we wish to find the required sample size find a 90% confidence interval for the population…

A:

Q: The minimum sample size needed to construct a 90% confidence interval for a population proportion…

A: From the provided information, Confidence level = 90% Margin of error (E) = 0.08 The z value at 90%…

Q: Use the given confidence interval to find the margin of error and the sample proportion.…

A: The confidence interval is CI = (0.589,0.619) CI = (LB,UB)

Q: In a previous study, it was found that p̂= .73 for a particular sample. Suppose we would like to…

A: Given information Error = 0.01 Confidence level = 0.98

Q: Use the given confidence interval to find the margin of error and the sample proportion.…

A: Given: confidence interval ( 0.66 , 0.688 ) Need to find sample mean(x̄) and margin of error(ME) .

Q: The following confidence interval is obtained for a population proportion, p: (0.563,0.601). Use…

A: We have find margin of error..

Q: B) False A senator wishes to estimate the true population proportion p of United States voters who…

A:

Q: Given that the 84% confidence interval for the waiting time (in minutes) of emergency room patients…

A: We have given the following statement About the confidence interval.

Q: Use the given confidence interval to find the margin of error and the sample proportion.…

A: Plug in all the values in the formula, we get Therefore,

Q: Use the Student's t distribution to find te for a 0.95 confidence level when the sample is 29. Step…

A: Given that the sample size is 29 and the confidence level is 0.95. That is, c=0.95 and n=29…

Q: Use the given confidence interval to find the margin of error and the sample proportion.…

A: Given We have given that confidence interval (0.640 ,0.670) lower limit = 0.640  Upper limit = 0.670…

Q: Find the length of the confidence interval given the following data: s (standard deviation) = 6 n…

A:

Q: When estimating the size of a sample required to obtain a given confidence level with proportion…

A: Given Data: a) p is between 0.2 and 0.4 Estimate p=0.4+0.22=0.3

Q: use the given degree of confidence and sample date to contruct a confidence interval for the…

A: Sample size = n = 124 Sample number of events = x = 20 Sample proportion = p̂ = x/n = (20/124) =…

Q: Use the given confidence interval to find the margin of error and the sample proportion.…

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

Q: Two samples were drawn, each from a normally distributed population, with the following results X1 =…

A:

Q: The minimum sample size needed to construct a 99% confidence interval for a population proportion…

A: From the provided information, Margin of error (E) = 0.04 Confidence level = 99% Proportion (p) =…

Q: We are interested in the proportion p of people who are unemployed in a large city. Eight percent of…

A:

Q: If a sample is used to estimate a population proportion p. What is the the margin of error M.E. that…

A: Introduction: The 100 (1 – α) % confidence interval for the population proportion, p is: Here, n is…

Q: 4) Consider a confidence level of 90%. If n=68 and ?̂ = 0.42 Calculate the margin of error. 5)…

A: According to our guidelines we can answer only first question and rest can be reposted.

Q: The following confidence interval is obtained for a population proportion, p: ( 0.399, 0.437). Use…

A: The formula for confidence interval is,

Q: Use the given confidence interval to find the margin of error and the sample proportion.…

A: Given: Confidence interval = (0.705, 0.733) Thus, Lower limit = 0.705 Upper limit = 0.733

Q: For a given confidence level and sample size, which of the following is true in the interval…

A: The confidence interval for mean is given as  X-Zα2σn≤μ≤X+Zα2σn

Q: Use the given confidence interval to find the margin of error and the sample proportion.…

A: Let the confidence interval for population proportion is (a, b) Margin of Error : E =b-a2 Sample…

Q: Use the given confidence interval to find the margin of error and the sample proportion.…

A: Solution-: Given: C.I. is (0.702,0.728) Where, LL=0.702, UL=0.728  Find M.E. and  ,