For the t value of 2.787 and confidence level of 90%, what are the degrees of freedom? Select one: a. 25 b. 10 c. 20 d. 15

Use the sample data and confidence level given below to complete parts (a) through (d). A research institute poll asked respondents if they felt vulnerable to identity theft. In the poll, n = 1064 and x = 559 who said "yes." Use a 90% confidence level. Click the icon to view a table of z scores. a) Find the best point estimate of the population proportion p. 0.525 (Round to three decimal places as needed.) b) Identify the value of the margin of error E. E= □ (Round to three decimal places as needed.)

Use the sample data and confidence level given below to complete parts (a) through (d). A research institute poll asked respondents if they felt vulnerable to identity theft. In the poll, n = 935 and x = 548 who said "yes." Use a 90% confidence level. Click the icon to view a table of z scores. a) Find the best point estimate of the population proportion p. .601 (Round to three decimal places as needed.)

Use the sample data and confidence level given below to complete parts (a) through (d). A research institute poll asked respondents if they felt vulnerable to identity theft. In the poll, n= 1072 and x = 595 who said "yes." Use a 95% confidence level. E Click the icon to view a table of z scores. a) Find the best point estimate of the population proportion p. (Round to three decimal places as needed. b) Identify the value of the margin of error E E= (Round to three decimal places as needed.) c) Construct the confidence interval. (Round to three decimal places as needed. ) d) Write a statement that correctly interprets the confidence interval. Choose the correct answer below. O A. There is a 95% chance that the true value of the population proportion will fall between the lower bound and the upper bound. O B. 95% of sample proportions will fall between the lower bound and the upper bound. O C. One has 95% confidence that the sample proportion is equal to the population proportion. O D.…

Answer the following for 95% confidence level: a: how much area is in each single tail b. How much area is in both tails

Use the sample data and confidence level given below to complete parts (a) through (d). A research institute poll asked respondents if they felt vulnerable to identity theft. In the poll, n= 1004 and x = 575 who said "yes." Use a 90% confidence level. E Click the icon to view a table of z scores. .... a) Find the best point estimate of the population proportion p. (Round to three decimal places as needed.)

Use the sample data and confidence level given below to complete parts (a) through (d). A research institute poll asked respondents if they felt vulnerable to identity theft. In the poll, n=914 and x = 556 who said "yes." Use a 95% confidence level. Click the icon to view a table of z scores. a) Find the best point estimate of the population proportion p. 0.608 (Round to three decimal places as needed.) b) Identify the value of the margin of error E. E= (Round to three decimal places as needed.)

Use the sample data and confidence level given below to complete parts (a) through (d). A research institute poll asked respondents if they felt vulnerable to identity theft. In the poll, n = 1005 and x = 580 who said "yes." Use a 95% confidence level. Click the icon to view a table of z scores. a) Find the best point estimate of the population proportion p. (Round to three decimal places as needed.) ew an example Get more help. MacBook Air ... Clear all Chec.