Mathematics, 22.07.2019 14:00, kenzie19169
The scores of 12th-grade students on the national assessment of educational progress year 2000 mathematics test have a distribution that is approximately normal with mean of 300 and standard deviation of 35. a. choose one 12th-grader at random. what is the probability that his or her score is higher than 300? higher than 335? b. now choose an srs of four 12th-graders. what is the probability that their mean score is higher than 300? higher than 335?
Answers: 2
Mathematics, 21.06.2019 22:00, natetheman7740
Given: ā³acm, mā c=90Ā°, cp ā„ am , ac: cm=3: 4, mp-ap=1. find am.
Answers: 2
The scores of 12th-grade students on the national assessment of educational progress year 2000 mathe...
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