10.3.31-T 0 of 1 Point Question Help A math teacher claims that she has developed a review course that increases the scores of students on the math portion of a college entrance exam. Based on data from the administrator of the exam, scores are normally distributed with u = 520. The teacher obtains a random sample of 1800 students, puts them through the review class, and finds that the mean math score of the 1800 students is 526 with a standard deviation of 114. Complete parts (a) through (d) below. O C. Ho: H 520 O D. Ho: H > 520, H1: H # 520 (b) Test the hypothesis at the a = 0.10 level of significance. Is a mean math score of 526 statistically significantly higher than 520? Conduct a hypothesis test using the P-value approach. Find the test statistic. to = (Round to two decimal places as needed.)