d. Calculate the test statistics. Z = e. What will be the decision rule? f. Draw the conclusion: B. Complete Me! Tasks: Complete the table by providing critical values based in the Table of Areas under the Normal Curve. Level of significance Critical Regions One-tailed Two-tailed .05 .01 C. Formulate Me! Directions: Write the Null and alternative hypothesis for each of the following population proportion. 1. Some boxes of a certain brand of breakfast cereal include a voucher for a free video rental inside the box. The company that makes the cereal claims that a voucher can be found in 20% of the boxes. However, based on their experiences eating this cereal at home, a group of students believe that the proportion of boxes with vouchers is less than 0.2. This group of students purchased 65 boxes of the cereal to investigate the company's clam. Ho : H1 : 2. Haus of Gaz claims that more than two-thirds of the houses in a certain subdivision use their brand. Do we have a reason to claim if in a random sample of 40 houses in this subdivision, it is found that 25 use the company's brand. Ho: H1 : 3. A pharmacy claims that 9 out of 10 doctors recommend Ibuprofen to combat migraine. To test this claim, a random sample of 400 doctors is obtained so that only 320 of them indicate that they recommend Ibuprofen. Ho: H1