# Question

Determine the sample size needed to construct a 95% confidence interval to estimate the population mean when σ = 40 and the margin of error equals 6.

## Answer to relevant Questions

Construct a 98% confidence interval to estimate the population mean with = 60 and σ = 12 for the following sample sizes: a. n = 35 b. n = 45 c. n = 55 Determine the sample size needed to construct a 95% confidence interval to estimate the average GPA for the student population at Wilmington College with a margin of error equal to 0.2. Assume the standard deviation of the ...Construct a 90% confidence interval to estimate the population mean using the following data: x = 70 σ = 20 n = 40 N = 400 One provision of the Affordable Care Act, commonly known as Obamacare, requires insurance plans pay for breast feeding support for mothers, such as consultations and breast pumps. According to the CDC, 48% of mothers were ...Much of the recent euro currency crisis that struck Europe was attributed to the economy of Greece. George Papandreou, Greece’s prime minister, claimed that corruption was at the heart of the crisis. Transparency ...Post your question

0