Question: Find a 90% one-sided upper confidence bound for the population mean for these values: a. n = 40, s2 = 65, = 75

Find a 90% one-sided upper confidence bound for the population mean ยต for these values:
a. n = 40, s2 = 65,  = 75
b. n = 100, s = 2.3,  = 1.6

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