This paper circulates around the core theme of Construct the 99% confidence interval for the population mean repair cost. (b) If the level of confidence was lowered to 90%, what will be the effect on the confidence interval? together with its essential aspects. It has been reviewed and purchased by the majority of students thus, this paper is rated 4.8 out of 5 points by the students. In addition to this, the price of this paper commences from £ 99. To get this paper written from the scratch, order this assignment now. 100% confidential, 100% plagiarism-free.
In a random sample of 60 computers, the mean repair cost was $150 with a
standard Deviation of $36. (a) Construct the 99% confidence interval
for the population mean repair cost. (b) If the level of confidence was
lowered to 90%, what will be the effect on the confidence interval?
