# Question: Construct a 99 confidence interval to estimate the population mean

Construct a 99% confidence interval to estimate the population mean using the following data:

= 60 σ = 17 n = 12

What assumptions need to be made to construct this interval?

= 60 σ = 17 n = 12

What assumptions need to be made to construct this interval?

**View Solution:**## Answer to relevant Questions

Banking fees have received much attention during the recent economic recession as banks look for ways to recover from the crisis. A sample of 30 customers paid an average fee of $ 12.55 per month on their interest bearing ...Consider the following hypotheses: H0: μ = 140 H1: μ ≠ 140 Given that x = 148.1, s = 37.5, n = 20, and σ = 0.02, answer the following questions: a. What conclusion should be drawn? b. Use PHStat to determine the p ...Calculate the p value for the following conditions and determine whether to reject the null hypothesis: a. One tail test, zx = 1.46, and σ = 0.10 b. One tail test, zx = 2.48, and σ = 0.01 c. Two tail test, zx = 1.92, ...Consumers with credit scores below 600 have a very difficult time getting approved for car or mortgage loans. In 2012, 24% of Americans had a credit score below 600. Due to the recent financial crisis, the federal government ...Consider the following hypotheses: H0: p < 0.15 H1: p > 0.15 Given that n = 150 and σ = 0.10, calculate b for each of the following conditions. a. p = 0.16 b. p = 0.22Post your question