A basketball coach wants to know how many free throws an NBA player shoots during the course of an average practice. The coach takes a random sample of 43 players and finds the average number of free throws shot per practice was 225. The coach would like to test if the average is different from 240. Assume the population standard deviation is 35. Which of the following statements is correct? O i. The null hypothesis is Haru = 225 and the alternative hypothesis is Hu # 240 O ii. The null hypothesis is Has a 240 and the alternative hypothesis is Hu = 225 ili. The test statistic is = = X-225 O iv. The test statistic is = = -240 0 /V43