From previous studies, it is concluded that 90% of workers indicate that they are satisfied with their job. A researcher claims that the proportion is smaller than 90% and decides to survey 800 working adults. Testthe researcher's claim at the a = 0.01 significance level.c. Based on the sample of 800 people, 89% workers indicate that they are satisfied with their job. What is the test statistic? Round your answer to two decimal places.Z= ?d. What is the p-value? Round your answer to four decimal places.