Mathematics, 24.07.2019 05:30 lilloser
Ateacher would like to estimate the percentage of her students who play chess. which method should the teacher use to select the sample? use a computer to randomly select 30 student ids from all her students. select all students who are currently in the chess club. select every other student in her classes until she has selected a total of 30 students. use a computer to randomly select 30 student ids from all students.
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The volume of a sphere is increased by 6%. calculate the corresponding percentage increased in it area.
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Ateacher would like to estimate the percentage of her students who play chess. which method should t...
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