# Question: A A sample of 300 observations taken from a population

a. A sample of 300 observations taken from a population produced a sample proportion of .63. Make a 95% confidence interval for p.

b. Another sample of 300 observations taken from the same population produced a sample proportion of .59. Make a 95% confidence interval for p.

c. A third sample of 300 observations taken from the same population produced a sample proportion of .67. Make a 95% confidence interval for p.

d. The true population proportion for this population is .65. Which of the confidence intervals constructed in parts a through c cover this population proportion and which do not?

b. Another sample of 300 observations taken from the same population produced a sample proportion of .59. Make a 95% confidence interval for p.

c. A third sample of 300 observations taken from the same population produced a sample proportion of .67. Make a 95% confidence interval for p.

d. The true population proportion for this population is .65. Which of the confidence intervals constructed in parts a through c cover this population proportion and which do not?

## Answer to relevant Questions

a. A sample of 1100 observations taken from a population produced a sample proportion of .32. Make a 90% confidence interval for p. b. Another sample of 1100 observations taken from the same population produced a sample ...a. How large a sample should be selected so that the margin of error of estimate for a 99% confidence interval for p is .035 when the value of the sample proportion obtained from a preliminary sample is .29? b. Find the most ...According to a Pew Research Center nationwide telephone survey of adults conducted March 15 to April 24, 2011, 69% of college graduates said that their college education gave them maturity (Time, May 30, 2011). Suppose that ...Tony’s Pizza guarantees all pizza deliveries within 30 minutes of the placement of orders. An agency wants to estimate the proportion of all pizzas that are delivered within 30 minutes by Tony’s. What is the most ...A company that makes toaster ovens has done extensive testing on the accuracy of its temperature setting mechanism. For a previous toaster model of this company, the standard deviation of the temperatures when the mechanism ...Post your question