Use the p-value approach on the critical value of approach

Reference no: EM1319826

Question: A sample of 100 provided a sample mean of 75.7. The population standard deviation is known to be 12. At 0.01 level of significance, what is your conclusion? Use either the p-value approach on the critical value of approach. Consider the following hypothesis test.

H0: μ ≥ 80
Ha: μ < 80

Reference no: EM1319826

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