(A) Calculate the z-score for x =94.9 from a sample of size 12.
(B) Could this z-score be used in calculating probabilities using a standard normal distribution table? Why or why not?© BrainMass Inc. brainmass.com October 17, 2018, 2:33 am ad1c9bdddf
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This solution is comprised of a detailed explanation of standard normal distribution or z score. In this solution, step-by-step explanation of this complicated topic provides students with a clear perspective of standard normal distribution to find or calculate Z-score.
Standard Normal Distribution
A normal distributed population has a mean of 250 pounds and a standard deviation of 10 pounds. Given n = 20, what is the probability that this sample will have a mean value between 245 and 255 pounds?View Full Posting Details