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4.9.168 Question Help Some students paid a private tutor to help them improve their results on...
4.9.168 Question Help Some students paid a private tutor to help them improve their results on a certain mathematical test. These students had a mean change in score of +19 points, with a standard deviation of 61 points. Ih a random sample of 100 students who pay a private tutor to help them improve their results, what is the likelihood that the change in the sample mean score is less than 10 points? ick the on to view ee table of normal arve areas. Ptx<10).□(Round to tree de ral places as needed)
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