Distrbution., Applied Statistics

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The score distribution shown in the table is for all students who took a yearly AP statistical exam. An AP statistics teacher had 59 students preparing to take the AP exam. Though they were obviously no a random sample, he considered his students to be typical of all national students. What is the probability the his students will achieve an average score of at least 3? Score: 5 4 3 2 1 Percent of Students: 12.3, 22.9, 25.8. 17.1, 21.9.

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Features of index numbers

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