Mathematics, 22.01.2021 18:10 VamPL
Jose is a researcher who needs to obtain a sample that "looks like" (is representative of) the population. His population is 65% female and 35% male. He decides that the easiest way to obtain a sample for his research is to get students and teachers at the local all-boys' school, and as a result he ends up with a sample that is 95% male and 5% female (some female teachers were included in the sample). It sounds like the method he is using to obtain the sample is .
Answers: 3
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If 20% of a number is 35, what is 50% of that number?
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An arc subtends a central angle measuring 7pi/4 radians what fraction of the circumference is this arc?
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Hell . what are the solutions to `10x^2 - 38x - 8 = 0`? is this when i find the factors and use the numbers within the factors to determine the zeros? i hope that made sense lol
Answers: 2
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