Assume that for the population of MBA (Supply Chain Management), the average starting salary is PKR 72,000/= and the standard deviation of PKR 20,000/=. What is the probability that a simple random sample of MBA (Supply Chain Management) will have a sample mean within PKR 68,000/= and PKR 74,000/= when sample is (i) n=50 and (ii) n=100. Conclude your result.
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