At a large university, the mean age of students is 21.9 years, and the standard deviation is 3.2 years. A random sample of 80 students is drawn. What is the probability that the average age of these students is greater than 22 years?
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Step 1: Identify the population parameter and sample statistic - Population parameter: mean age of all students at the university (μ) - Sample statistic: mean age of the 80 students in the random sample (x̄) Show more…
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