Test the claim about the population mean at the level of significance a. Assume the population
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Test the claim about the population mean μ at the level of significance a. Assume the population is normally distributed.
Claim: μ ≤ 22500; α = 0.01; σ = 1200
Sample statistics: x̅ = 23,500, n = 45
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Because z 5590 233 reject H 0 Ther...View the full answer
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Related Book For 
Elementary Statistics Picturing The World
ISBN: 9780134683416
7th Edition
Authors: Ron Larson, Betsy Farber
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