X Mail - Davi X YouTube X (@ https://stetson.instructure.com/courses/8344/external_tools/retrieve?display=full_width&curl=https%3A%2F%2Fstetson.quiz-iti-pedx-prod.instructure.com-62Flti-62Flaunch63Fmod_. Return Submit 11 5 points A researcher wants to determine if there is a relationship between how many hours a softball player practices during the week and her batting average. What is the correct inferential procedure to use? O confidence interval regression correlation O dependent sample hypothesis test 12 5 points In a certain university, 33% of the physics majors belong to ethic minorities. Suppose 10 physics majors are chosen at random. What is the probability that exactly 7 of them belong to an ethnic minority? 0.33 O O 0.700 O 0.015 O O 13 5 points A random sample of 30 students who recently took a statistics exam was taken. The sample mean score was 79 and the sample SD was 10.7. Construct a 99% confidence interval for the mean score of all students who took the exam. O (73.62, 84.38)