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Determining the population standard deviation

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Reference no: EM131460668

1. Consider the following hypothesis test:

H0: μ ≤ 75

Ha: μ > 75

A sample of 50 is used and the population standard deviation is 9. Use the critical value approach to state your conclusion is the sample mean is 72.5. Use α = 0.5. What is the p-value?

Reference no: EM131460668

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