Determine the critical value for a right-tailed test regarding a population proportion at the a= 0.01 level of significance. Click here to view Page 1 of the cumulative standard Normal distribution table. Click here to view Page 2 of the cumulative standard Normal distribution table. Z = (Round to two decimal places as needed.)In a random sample of 100 audited estate tax returns, it was determined that the mean amount of additional tax owed was $3433 with a standard deviation of $2505. Construct and interpret a 90% confidence interval for the mean additional amount of tax owed for estate tax returns. Click the icon to view the t-distribution table. The lower bound is $ . (Round to the nearest dollar as needed.) The upper bound is $ . (Round to the nearest dollar as needed.) Interpret a 90% confidence interval for the mean additional amount of tax owed for estate tax returns. Choose the correct answer below. O A. One can be 90% confident that the mean additional tax owed is greater than the upper bound. O B. One can be 90% confident that the mean additional tax owed is less than the lower bound. O C. One can be 90% confident that the mean additional tax owed is between the lower and upper bounds