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10.3.31-T 0 of 1 Point Question Help V 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 = 510. The teacher obtains a random sample of 2000 students, puts them through the review class, and finds that the mean math score of the 2000 students is 517 with a standard deviation of 112. Complete parts (a) through (d) below. (b) Test the hypothesis at the a = 0.10 level of significance. Is a mean math score of 517 statistically significantly higher than 510? Conduct a hypothesis test using the P-value approach. Find the test statistic. to = (Round to two decimal places as needed.)