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Help Save & Exit 5 Given the following hypotheses Ho : u = 20 /4 : 4 >20 52 A random sample of 63 observations is selected from a normal population. The sample mean was 22 and the sample standard deviation was 6 Using the 0.10 significance level. a. State the decision rule. (Round the final answer to 3 decimal places.) (Click to select) ~ ) Ho if te b. Compute the value of the test statistic. (Round the final answer to 3 decimal places.) Value of the test statistic c. What is your decision regarding the null hypothesis? (Click to select) Ho At the 0 01 significance level, the mean (Click to select) v) greater than 20