Question 2 (1 point) Poor millennials - Skyrocketing cost of living and crippling student debt have...
Question 12 (1 point) It is reported in USA Today that the average flight cost nationwide is $380.51. You have never paid close to that amount and you want to perform a hypothesis test that the true average is actually different from $380.51. The hypotheses for this situation are as follows: Null Hypothesis: u = 380.51, Alternative Hypothesis: u 380.51. You take a random sample of national flight cost information and perform a one sample mean hypothesis test. You observe...
photos for each question are all in a row (1 point) In the following questions, use the normal distribution to find a confidence interval for a difference in proportions pu - P2 given the relevant sample results. Give the best point estimate for p. - P2, the margin of error, and the confidence interval. Assume the results come from random samples. Give your answers to 4 decimal places. 300. Use 1. A 80% interval for pı - P2 given that...