If n = 180 and p (p-hat) =0.07, find the margin of error at a 95% confidence level. Round to 4 places. Z-scores may be rounded to 3 places or exact using technology.

Q: Determine the point estimate of the population mean and margin of error for the confidence interval.…

A: We have to find given information from available data.

Q: A researcher found a 95% confidence interval for the proportion of college students who believe in…

A:

Q: f n=450 and X = 360, construct a 99% confidence interval.

A:

Q: The winning   score in 5 high school basketball games was recorded. If the sample mean is 62.3…

A: Given information- Sample size, n = 5 Mean, x-bar = 62.3 Sample standard deviation, s = 11.0 Since…

Q: A study found that for a sample of cars traveling on Interstate 70, the average speed was 70 mph…

A: We have to find margin of error.

Q: A manufacturer produces a commodity where the length of the commodity has approximately normal…

A: GivenMean(μ)=5.3standard deviation(σ)=0.7sample size(n)=38

Q: Determine the point estimate of the population mean and margin of error for the confidence interval.…

A: Given: Lower bound = 19 Upper bound = 27 Formula Used: Margin of error = Upper bound - Lower bound2…

Q: The confidence interval for a population porportion is (0.34, 0.5). What the the sample proportion…

A: Given  The confidence interval for a population proportion (0.34,0.5)  estimate the sample…

Q: Find the margin of error for the confidence interval of population proportion. Lower bound  0.135.…

A:

Q: e confidence interval for a population mean is (240.53, 240.79). What are the sample mean and the…

A: The confidence interval for a population mean is (240.53, 240.79)WE HAVE TO FIND OUT THE MEAN AND…

Q: Determine the point estimate of the population mean and margin of error for the confidence interval.…

A:

Q: When 290 college students are randomly surveyed, it is found that 120 own a car. Find a 99%…

A: Given that, x=120,n=290 The sample proportion is, Critical values: By using the standard normal…

Q: Find the 95%95% confidence interval for the average value of net income given that sales are…

A: From the given information, a regression analysis has been performed to estimate the model. Here,…

Q: lculating the confidence interval.

A: x Freq 1 3 2 5 3 19 4 7 5 6 Total 40

Q: 101, x=43, and s 15, construct a confidence If n interval at a 80% confidence level. Give your…

A:

Q: State the Odds Ratio for the slope and find 95% confidence interval of the slope. (do not forget to…

A: The logistic regression equation is of the form logy=β0+β1xβ0 is the interceptβ1 is the slopey is…

Q: For a confidence level of 99% with a sample size of 22, find the t-score. Did not see how to work…

A: The provided information is:

Q: Determine the point estimate of the population mean and margin of error for the confidence interval.…

A: Lower bound=15, Upper bound=27

Q: Determine the point estimate of the population mean and margin of error for the confidence interval.…

A:

Q: Suppose you survey a random sample from a large population to understand the population proportion.…

A: Obtain the sample size of a no preliminary estimate for p. The formula of sample size is, Obtain…

Q: Find 95% confidence interval for the population mean, if the sample size is 40, the sample mean is…

A:

Q: Determine the point estimate of the population mean and margin of error for the confidence interval.…

A: Given,lower bound=21upper bound=29

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: If n = 100 and p̂ (p-hat) = 0.4, construct a 95% confidence interval.

A: To find the 95% confidence interval for the population proportion. Given that,…

Q: Find the margin of error at a 80% confidence level for estimating the population mean if n = 31, 2 =…

A: According to given question, We have :- Sample size n= 31Sample standard deviation s  =  5Sample…

Q: The standard deviation of the weights of elephants is known to be approximately 15 pounds. We wish…

A: Given: The value of n is 50. The value of σ is 11. The value of x is 244. The value of α is 0.05.

Q: find tc for a 95% confidence level when the sample size is 6.

A: level of significance, alpha = 0.05from standard normal table, two tailed t alpha/2 with n-1 = 6 d.f…

Q: Find the margin of error at a 80% confidence level for estimating the population mean if n = 15, x =…

A: Given: Sample size n = 15 Sample mean X = 44 Sample standard deviation s = 10 Confidence level = 80%…

Q: If n= 100 and x= 80, construct a 99% confidence interval.  Give your answers to three decimals

A:

Q: Measuring the height of a California redwood tree is very difficult because these trees grow to…

A: 1.The 95% confidence interval estimate of the population slope between the height of the redwood…

Q: Construct a 96% confidence interval if x=75 and n=200. Round your answers to 3 decimal places.

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

Q: Translate the statement into a confidence interval. Approximate the level of confidence.   In a…

A: Here, n=1000, p=0.78, and margin of error is 0.04. The margin of error is as follows: Thus, the…

Q: If n=140 and X = 112, construct a 90% confidence interval. Give your answers to three decimals  <…

A: From the available information, n=140 and x=112. The sample proportion is, The confidence level is,…

Q: Find the margin of error at a 80% confidence level for estimating the population mean if n = 16, =…

A: It is given that  n = 16 s = 10 x̄ = 32

Q: Find z* for a confidence level of 83%. Give your answer to 3 decimal places.

A: We have to find z* for a confidence level of 83%

Q: If n=430 and (p-hat) = 0.67, construct a 90% confidence interval. Give your answers to three…

A: We have given that,  Sample size (n) = 430 and sample proportion or point estimate (p̂) = 0.67…

Q: If n=230 and p (p-hat) = 0.61, construct a 95% confidence interval. Give your answers to three…

A: