A final exam in Statisticshas a meanof 73 with a standard deviationof 7.73. Assume that a random sampleof 24 students is selected and the mean test score of the sample is computed. What percentage of sample means are less than 70?
This solution is comprised of a detailed explanation of calculating the Z score and probability. In this solution, step-by-step explanation of this complicated topic provides students with a clear perspective of calculating the Z score and probability.