QUESTION 3 4 points Save Answer When designing a study to determine a population proportion, what minimum number would you need to survey, e.g., N, to be 90% condent that the population proportion is estimated to be within 0. 03? Hint: You do not know p, so you must make an assumption about p and 4. Here you are being asked to solve for the sample size N. QUESTION 4 4 points Save Answer The critical T-value (two tailed) for a condence interval of 99%, given a sample size of 30 is