Question 3 20 pts A Gallup poll shows 15.4% of Democrats believe that the quality of the environment in the country is getting better. If we randomly select 28 Democrats. nd the following: A. {8 pts} The probability that exactlyIr 4 of them believe the environment is getting better. B. (8 pts) The probability that none of them believe that the environment is getting better. C. {4 pts) The probability that at least one believes that the environment is getting better. D Question 4 20 pts The local business college computing center wants to determine the proportion of business students who have personal computers (PC's) at home. If the proportion differs from 25%, then the lab will modify a proposed enlargement of the proposed facility. A sample of 200 randomly selected business students found 65 have PC's at home. Using a significance level of 0.02, test the claim that the true population proportion differs from 25%. Provide your answers in the text box below. Ho: H1: Test Statistic: P-value: Critical value(s): Null Hypothesis conclusion: Conclusion on the claim: Edit View Insert Format Tools Table 12pt * Paragraph " B I U A Zy Ty