The following sets of data shows the mean marks of 43 interviewees from a certain job interview that was conducted by a HR Consulting Firm in Mombasa:
23, 45, 79, 15, 47, 64, 33, 26, 34, 46, 31, 29, 49, 25, 45, 43, 39, 45, 22, 26, 28, 36, 42
Using the concept of sampling distribution, what sample size will give at least a
0.95 probability that the sample mean is greater than $8 of the population mean?