Texts: A sample of n = 25 scores is selected from a normal population with μ = 75 and σ = 15. Round to four decimal places, if needed. a. What is the probability that the sample mean will be greater than 81? b. What is the probability that the sample mean will be less than 72? c. What is the probability that the sample mean will be greater than 66?
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- Population mean (μ) = 75 - Population standard deviation (σ) = 15 - Sample size (n) = 25 Show more…
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