how large of a sample n would you need to estimate p with a margin of error 0.01 with 95% confidence? use the guess p = 0.2 as the value for p

Q: Della wants to make a one-sample z interval to estimate what proportion of her community members…

A: Consider the provided question, Della wants to make a one-sample z interval to estimate what…

Q: Use the confidence interval to find the margin of error and the sample mean. (0.558,0.740)

A: Given: confidence interval ( 0.558 , 0.74 ) Need to find sample mean(x̄) and margin of error(ME) .

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

A: Given,   Lower bound = 0.702 Upper bound = 0.730   The objective is to find the margin of error and…

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

A:

Q: 2) Assume the p=.03 (3%). How large a sample is needed to estimate the proportion of breast cancer…

A:

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

A:

Q: A sample consisting of 450 men and 745 women was asked various questions pertaining to international…

A: Here, α=0.10. Using Excel formula “=NORM.S.INV(1-(0.10/2))”, the critical value for 0.10 is obtained…

Q: Find the sample size needed if a 98% confidence interval has a 'margin of error' of 4% if .. a) You…

A: From the provided information, Margin of error (E) = 0.04 Confidence level = 98% The z value at 98%…

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

A: Given that : n = 1072 x = 537 (a) to find the best point estimate of the population proportion p. P^…

Q: Use the confidence interval to find the margin of error and the sample mean. (0.578,0.740)

A: Suppose the confidence interval is given as : (a,b) (x-MOE , x+MOE) = (0.578 , 0.740) Then to obtain…

Q: R2/ A sample was taken from normal distribulion N(M, 25) . whatis the sample size to get a length…

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: A sample consisting of 410 men and 795 women was asked various questions pertaining to international…

A: To find the male sample, female sample and the combined sample :

Q: What are the degrees of freedom for Student's t distribution when the sample size is 20? d.f. =  Use…

A:

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

A: The solution is given below

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: Use z =2.576 If the margin of error for the population mean for 99% Confidence Level is 39, what…

A:

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: Assume that a sample is used to estimate a population proportion p. Find the margin of error M.E.…

A: Given data n=293 x=47.1% confidence level is 99.5%

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

A: The formula of the margin of error using the confidence limits is, Where,   UCL denotes the upper…

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: What confidence coefficient should be applied at 99% level of confidence to determine the required…

A:

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

A: Solution: Given information: n= 220 Sample size  x= 110 successes  p^=xn=110220= 0.5 Sample…

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

A: Proportion is almost similar to the concept of probability. Proportion is a fraction of population…

Q: What is the value of tα/2 for a sample of size n=39 at the 90% level of confidence?

A:

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: answer

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

Q: Assume that a sample is being used to estimate a population mean μμ. If n = 19, x¯ = 43, and s = 3,…

A:

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 confidence interval to find the margin of error and the sample mean. (1.70,2.08) ... The…

A:

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

A: From the given information, The sample size is 268. Proportion=p^=20.9%=0.209 Confidence level is…

Q: At what confidence level will an estimate with margin of error + 1.4758 be for a sample size n2 30?

A: The following is the formula for Confidence interval when sample size n is large (i.e., n ≥ 30)…

Q: Use the given confidence interval to find the margin of error and the sample mean.  (4.81, 8.09)

A: The confidence interval is given by (4.81, 8.09)

Q: 1. Given: n=130, a = 25, level of confidence is 90%. What is the margin of error of the given data?

A: The sample size is given as 130, n=130 The standard deviation is given as 25, σ=25 The Confidence…

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

A: Solution: 12. From the given information, x=586 and n=1006.

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

A: Confidence interval is given, (0.619, 0.647)

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

A:

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

A: Given that Sample size n = 342 Sample proportion = 37.1% = 0.371 Confidence level = 99.5%

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: 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: Use the confidence interval to find the margin of error and the sample mean. (0.456,0.620)

A: The confidence interval is given by (0.456, 0.620) Let M denote the sample mean, And E denote the…

Q: Find the margin of error for the given 1. o = 3.5 n = 45 a. 90% confidence level

A: To find the margin of error for the given confidence levels: Margin of error indicates how many…

Q: What sample size is needed to give a margin of error within ±3%±3% in estimating a population…

A: We have given that,  Population proportion (p) = 0.4, margin of error (E) = ±3% = 0.03 and…

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: 7. use the given confidence interval to find the margin of error and the sample proportion.  a.…

A: The objective is to find the margin of error and the sample proportion for the given confidence…

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

A: From the provided information, Sample size (n) = 272 Probability of successes (p̂) = 27.9% or 0.279…

Q: 1(b). At 99% confidence, what is the margin of error?

A: here use given data table

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.