A confidence interval for a population mean has length 24. a) Determine the margin of error. b) If the sample mean is 63.3, obtain the confidence interval. Confidence interval:

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: Construct the 99% confidence interval estimate of the population proportion p if the sample size is…

A: Obtain the 99% confidence interval estimate of the population proportion. The 99% confidence…

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: Use the confidence interval to find the margin of error and the sample mean. (1.52,2.06)

A: Given: Confidence interval is (1.52, 2.06) To determine: The margin error and The sample mean.…

Q: 260 confidence intervals, each having a 95% level of confidence, are computed for a population mean…

A:

Q: Use the confidence interval to find the margin of error and the sample mean. (1.71, 1.99)

A: Solution:  Given data: confidence Interval = (1.71, 1.99) To find: 1.Margin of error 2. Sample mean…

Q: (b) Estimate the sample size needed if no estimate of p is available. A sample of elementary school…

A: From the provided information, Confidence level = 95% Margin of error = 0.06

Q: Use a t table to find the value of t to use in a confidence interval?

A: Note: you did not mention the information about the sample, for which t-value is to be obtained. So,…

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

A: The confidence interval is 0.679,0.707. The margin of error is, E=Upper bound-Lower…

Q: In the construction of confidence intervals, if all other quantities are unchanged, a increase in…

A: Solution: The confidence interval is calculated by using the following formula

Q: If an interval estimate is said to be constructed at the 90% confidence level, the confidence…

A: #If an interval estimate is said to be constructed at the 90% confidence level, then confidence…

Q: given n=31 , s=7, Xbar= 14 for an 80% confidence interval find,  standard error margin of error

A: From the given information, the sample size is n=31, the sample mean is x-bar=14 and the sample…

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: If X=70​, σ=14​, and n=61​, construct a 99​% confidence interval estimate of the population​ mean,…

A:

Q: Use the given confidence interval to find the margin of error and the sample mean.   ​(13.3​,22.9​)

A:

Q: Use the confidence interval to find the margin of error and the sample mean. (.228, 0.390)

A: We know that the Margin of error = (upper_limit - lower_imit )/2 and Sample mean = (upper limit +…

Q: Vhat is the confidence interval estimate of the population mean p7

A: Given: n=49X=2.9σ=18.7We have to find 95% confidence interval for mean μ.Zα/2=1.96

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

A: To find the margin of error(E) and the sample proportion(p^)? given confidence interval…

Q: Construct the confidence interval for the population mean.

A: Answer:

Q: Determine the confidence level for confidence interval shown in the figure below.

A:

Q: using the confidence interval method, to test that population mean equals 14, a researcher obtains…

A: Solution: State the hypotheses. Null hypothesis: H0: µ=14. That is, the population mean is equal to…

Q: Use the given confidence interval to find the margin of error and thr sample mean. (5.42, 8.56)

A: Obtain the value of margin of error using the confidence limits.   The value of the margin of error…

Q: Estimate the mean of the population by constructing a 95% confidence interval

A: Given that Sample size n = 25 Sample mean = 150 Population SD = 12 The critical value of Z at 95%…

Q: The 90% confidence interval for the population proportion p is (,) The 95% confidence interval for…

A: here n = 634 p^ = proportion of males gone to dentist pin past year = 390634 = 0.6151 z-critical for…

Q: Use the confidence interval to find the margin of error and the sample mean.   (0.676,0.800)

A: The margin of error is the most common term which we use in a confidence interval. It is the degree…

Q: If n=570 and ˆpp^ (p-hat) =0.8, find the margin of error at a 95% confidence level

A: given that, n = 570 p^=0.8 confidence level = 95%

Q: c. Find the confidence interval for the population mean with confidence level of 99%

A:

Q: Determine the margin of error for an 80% confidence interval to estimate the population mean with…

A: Given that  Confidence level (C) = 80%  Population standard deviation (σ) = 48   We know that…

Q: For the confidence interval (24,44), the point estimate is and the margin of error is

A:

Q: find the indicated z value of z α/2 that corresponds to the confidence level of 89.43%

A: Solution: From the given information, the confidence level is 89.43%. The critical value can be…

Q: Use the given confidence interval to find the margin of error and the sample mean.   ​(70.5​,84.7​)

A:

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

A:

Q: Use the given confidence interval to find the margin of error and the sample mean. (71.7, 87.3)

A:

Q: Find a Confidence interval for the true Population Proportions if n = 30,        x = 75, and the…

A: From the given information, X=75 and 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: ample mean of 150, population standard deviation of 12, and n = 25, Estimate the mean of the…

A: As the population standard deviation is known, we will use z -distribution. Value of z at 95%…

Q: If x̄=89​, σ=13​, and n=70​, construct a 95​% confidence interval estimate of the population​ mean,…

A:

Q: iven the information: the sampled population is normally distributed, X– = 36.5, σ = 3, and n = 20.…

A: Solution-: Given: x¯=36.5,σ=3,n=20 (a) What is the 95% confidence interval estimate for μ? (b) Are…

Q: Use the confidence interval to find the margin of error and the sample mean.   (.364,0.500)

A:

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

A:

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: Compute the population proportion interval estimate given n, p , and the confidence level. * 300, p…

A: Note: Please repost 2nd question as i can answer only 1 question as per my policy.   Given data,…

Q: ation, contruct a 90% confidence interval for the true

A: The value of z at a 90% confidence level is 1.645, which can be obtained by using the standard…

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, Sample size (n) =123 Confidence level 1-α=0.99 Consider, population…

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

A: Given that  Confidence interval.  (0.755 , 0.779)

Q: If the sample size is large, the confidence interval estimate for the difference between two…

A: True

Q: ple mean of 75, population standard deviation of 5, and n = 100, Estimate the mean of the population…

A: AS the population standard deviation is known, we will use z -distribution. The critical z-value for…

Q: Solve for the sample size with the assumption that the confidence coefficient is 95% and second, the…

A: Sample size estimation is integral part of inferential statistic.

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.