7. The correct R code to the previous part returns 5.425. Suppose that s = - )" In(w) = 6.322. Do you reject He at a 5%% significance level? Briefly explain why or why not. [1 mark(s)] 8. Write the R code that you would use to calculate the p-value (use the numbers in the previous part). [2 mark(s)] 9. Write the R code that you would use to calculate the power of the test. (7 mark (s)] 10. Now suppose we change the alternative hypothesis to Hey: a 3 1. The null hypothesis remains Consider a test that rejects Ho If -" In(y.)