This paper circulates around the core theme of a) For a series of random samples of 60, are the mean values of these random samples normally distributed? Explain 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 £ 48. To get this paper written from the scratch, order this assignment now. 100% confidential, 100% plagiarism-free.
Question 1 [15 marks]
a) For a series of random samples of 60, are the mean values of these random samples normally distributed? Explain
b) Calculate the standard error of the mean and explain the meaning of this value.
c) Determine the 95% confidence interval and explain its meaning in the context of the overall problem.
d) What is the probability that a sample of 60 hospitals selected at random in the Melbourne area will have a mean greater than 7000.00 admissions?
e) If the admissions times were more variable, what effect would this have on the confidence interval?