Mathematics, 30.07.2019 21:00 mdlemuslopez
Ateacher would like to estimate the percentage of her students who play chess. which method should the teacher use to select the sample? a select every other student in her classes until she has selected a total of 30 students b select all students who are currently in the chess club c use a computer to randomly select 30 student ids from all her students d use a computer to randomly select 30 student ids from all students
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Upstream: 1.04 = x – y downstream: 2.08 = x + y aro can paddle at a speed of miles per hour. the river’s speed is miles per hour.
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