V Feminism is for Everybody SMC Canvas Login - Santa Monica College Question 4 3 pts Determine the point estimate of the population proportion, and the margin error of the following confidence interval given as follows: Lower bound: 0.31 and upper bound 0.86. What is the point estimat? 0.585 0.454 0.115 0.275 Question 5 3 pts A private opinion poll is conducted for a politician to determine what proportion of the population favors adding more national parks. How large a sample is needed in order to be 95% confident that the sample proportion will not differ from the true proportion by more than 4%? 423