b) Use the appropriate command in your calculator to determine the test statistic and the p-value for this test. Give the calculator command and the values you entered as a way to show your work: Give the test statistic rounded to two decimal places: Give the p-value rounded to four decimal places: c) Use a significance level of 0.05 to make a conclusion. Is the p-value greater than or less than the significance level? Consequently, do you reject or fail to reject the null hypothesis? d) Is there evidence that Kamala Harris' favorability rating increased after the 2020 Democratic National Convention? Yes or No?