You may need to use the appropriate appendix table or technologyto answer this question.
A simple random sample of 60 items from a population with? = 6 resulted in a sample mean of 38. (Round your answersto two decimal places.)
(a)
Provide a 90% confidence interval for the population mean.
______ to ________
(b)
Provide a 95% confidence interval for the population mean.
_________ to ________
(c)
Provide a 99% confidence interval for the population mean.
_______ to _______
