The percentage of elderly patients residing in assisted living homes in Stats County who were vaccinated for shingles in 2005 was 81%. In an effort to increase this percentage, new policies and procedures were implemented at the assisted living homes. In a random sample of 1000 patients, you found that 830 patients were given the shingles vaccine. Test the claim that the new policies and procedures increased the proportion of patients that received the shingles vaccine. Remember to use the tables in the textbook or those posted on the Moodle course page. a) Setup the appropriate Hypotheses: Upper H 0 : _ _ _ Upper H Subscript a Baseline : _ _ _ b) What is the value of the test statistic? Select the appropriate distribution and enter the value. Only one of these choices is correct. A. z =___ B. t =____ c) Your decision is to: A. Do not support the claim . B. Support the claim C. Reject the claim. D. Do not reject the claim. Click to select your answer(s)