Use the given confidence level and sample datato find (a) the margin of error and (b) the confidence intervalfor the population mean. Assume that the population has a normal distribution.
Weight lost on a diet: 99% confidence; n = 61, x = 3.0 kg. s = 5.7 kg.
(a) E = ______kg (Round to one decimal place)
(b) What is the confidence interval for the population mean?
______ kg < mean < _______ (Round to one decimal place)
The expert provides a step by step method for computing confidence interval is given in the answer.