Help statistics

region thus, we reject Ho. Conclusion: There is a significant difference between the sample mean and the population mean. The result implies that the sample belongs to another population and that population is above the average. WRITTEN WORKS (Check Yourself!) Answer the following problem. 1. In a test of Ho: u = 85 against Ha: M > 85, the sample data yield the sample statistic z = 1.64. Find the p-value for the test