Topic: Hypothesis Testing

Subject: Statistics and Probability

With solution needed

2. State the null hypothesis Ho, and the alternative hypothesis H, in terms of the appropriate parameter. a. The mean number of years Filipinos work before retiring is 34. b. At most 60% of Americans vote in presidential elections. c. The mean starting salary for Polytechnic University of the Philippines graduates is at least Php100,000 per year. d. Twenty-nine percent of high school seniors get drunk each month. e. Fewer than 5% of adults ride the bus to work in Metro Manila. f. The mean number of cars a person owns in her lifetime is not more than ten. g. About half of Filipinos prefer to live away from cities, given the choice. h. Filipinos have a mean paid vacation each year of six weeks. i. The chance of developing breast cancer is under 11% for women. j. Private universities' mean tuition cost is more than Php20,000 per year.3. Answer he following questions I item a, b, and e based on the given information: 3.1 Is it a one-tailed or two-tailed test? 3.2 What is the decision rule? 3.3 What is the value of the test statistics? 3.4 What is the decision regarding Ho? a. Ho: p = 0.35 H. : p > 0.35 The sample proportion is 0.4 and the sample size is 36. Use a = 0.1 b. Ho: p = 0.9 Ha : p x 0.9 The sample size is 300. Among these, 263 were "successes". Use a = 0.1 C. Ha: p = 0.5 Ha : p