Assume that a sample is used to estimate a population proportion p. Find the margin of error M.E. that corresponds to a sample of size 192 with 35.9% successes at a confidence level of 99.5%. P(1-p) Recall: M.E.- z ME.- Round final answer to two decimal places. Question Help: OVideo 8 Wiritten Example Submit Question

Q: Use the sample data and confidence level given below to complete parts (a) through (d). A research…

A: Option A is correct

Q: d the sample size needed to estimate the percentage of adults who can wiggle their ears. Use a…

A: Margin of error E=4%=0.04C.I=95%=0.95

Q: Use the confidence interval to find the margin of error and the sample mean.   left parenthesis…

A: The objective of this question is to find the margin of error and the sample mean using the given…

Q: MU CHOICE. Choose the one alternative that best completes the statement or answers the Construct a…

A: Solution: Let x= Before training  and y= After training  x y d=x-y (d-d)2 115.2 116 -0.8…

Q: Use the sample data and confidence level given below to complete parts (a) through (d). A research…

A: From the provided information, Sample size (n) = 1026 From which 509 said yes that is x = 509…

Q: Use the sample data and confidence level given below to complete parts (a) through (d). A research…

A:

Q: Suppose the 95% confidence interval for a population mean is (20.5, 35.5). What is the margin of…

A:

Q: A sociologist plans to conduct a survey to estimate the percentage of adults who believe in…

A: Given thatMargin of error (E) = 4% = 0.04Significance level (α) = 1 - 0.99 = 0.01

Q: Find the sample size needed to estimate the percentage of adults who can wiggle their ears. Use a…

A: Step 1: Given informationConfidence level, c = 0.90Margin of error, E = 0.05 Step 2: Part (a)The…

Q: • The value of the test statistic is given by Vn • The p-value is the area under the curve to the…

A: Given : sample size, n =72 sample mean, x̄ =91.6 population standard deviation,σ=12.7…

Q: Use the sample data and confidence level given below to complete parts  (b)   A research institute…

A: Margin of error can be calculated as shown below.

Q: Suppose the 90% confidence interval for a population mean is (20, 55). What is the point estimate…

A:

Q: Find the sample size needed to estimate the percentage of adults who can wiggle their ears. Use a…

A: given data, E= 2%CI=0.90α=1-0.90=0.10for 90% CI, z-critical value:Zc:=Z0.10/2=Z0.05=1.645 [ from…

Q: Use the sample data and confidence level given below to complete parts (a) through (d). A research…

A: Solution: a. From the given information, n=2419 and X=1183.

Q: Use the given confidence interval to find the margin of error and the sample mean. (15.3,22.3)

A: We have to find sample mean and margin of error..

Q: Among various ethnic groups, the standard deviation of heights is known to be approximately three…

A: The sample mean is 71 inches and the sample standard deviation is 2.7 inches.

Q: 2. In a recent survey, 30 out of 57 randomly selected respondents said they believe in the existence…

A: Given Data Sample Size, n = 57 Number of successes, x = 30.0 Significance level,…

Q: Find the sample size of American adults you would need to predict the results of an election with a…

A: Given thatMargin of error (E) = 0.02 Confidence level (c) = 90% = 0.90Significance level (α) = 1 -…

Q: In a recent study, the Centers for Disease Control and Prevention reported that the diastolic blood…

A: μ=80.5,σ=9.9

Q: assume that a sample is used to estimate a population proportion p. find the margin of error that…

A: Givensample size(n)=325x=54.2p^=xn=54.2325=0.1668confidence level = 95%

Q: Find the sample size needed to estimate the percentage of adults who can wiggle their ears. Use a…

A: It is given that Margin of error E = 0.04 Confidence level = 95% The critical value of Z at 95%…

Q: Find the sample size needed to estimate the percentage of adults who can wiggle their ears. Use a…

A: Margin of error(E)=4%=0.04confidence level=99%

Q: Weighing trucks: One kind of scale for weighing trucks weight as they drive across a plate. Is this…

A: The formula for computing the confidence interval for the matched pairs is, d ± tα/2,n-1*sdnn is the…

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

A: Given data,n=258x=115Find the 95% confidence interval

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: Use the sample data and confidence level given below to complete parts (a) through (d). A research…

A: n=982 x=506

Q: Assume that population proportion is to be estimated from the sample described. Use the sample…

A: The given sample size is 535 and the sample proportion is 0.2. The confidence level is 95%.

Q: Use the sample data and confidence level given below to complete parts​ (a) through​ (d).   A…

A: Given, The best sample proportion is,

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

A:

Q: Suppose we wanted to estimate the average amount of sleep (in hours) a college student gets a night.…

A: GivenTo estimate the average amount of sleep( in hours)

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: A political candidate has asked you to conduct a poll to determine what percentage of people support…

A: conduct a poll E = 0.03 90% CI n = ?

Q: Use the sample data and confidence level given below to complete parts (a) through (d). A research…

A: given  n=989 x= 505 who say "yes"

Q: If n=16, ī = 35, and s=8, find the MARGIN OF ERROR at a 99% confidence level Recall: M.O.E. = t* ·…

A:

Q: A survey of 1000 people was conducted. 44% said they found it hard to adopt a child in the US.…

A: The given data is as follows:Sample size, Sample proportion, Margin of error, Confidence level, The…

Q: Please no written by hand solutions 70 Australian households were randomly selected and surveyed.…

A: Answer:- According to the given information,  n = 70 X = 45  Confidence level = 95% = 0.95  So,…

Q: What sample size is needed to estimate a population mean within 70 of the true mean value using a…

A:

Q: Use the sample data and confidence level given below to complete parts (a) through (d). A research…

A: Thank you for posting the question. As your question has more than 3 parts, as per the policy, we…

Q: p and q are unknown. me nearest integer.) 25% of adults can wiggle their ears. me nearest integer.)…

A: Given that  Margin of error =E=3% E=0.03

Q: Steve believes that his wife's cell phone battery does not last as long as his cell phone battery.…

A: