Mathematics, 28.02.2020 21:32 mar4894
Scores on the Critical Reading part of the SAT exam in a recent year were roughly Normal with mean 495 and standard deviation 118. You choose an SRS of 100 students and average their SAT Critical Reading scores. If you do this many times, the standard deviation of the average scores you get will be close to (a) 118 (b) 118/100=1.18. (c) 118/V100 11.8
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Mathematics, 21.06.2019 15:10
Two lines that do not intersect are skew. always sometimes or never
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Mathematics, 21.06.2019 18:30
This is my question~~ ( r ^ 4 - 2r ^ 3 - 23 r ^ 2 - 4r - 32)÷(r+4) ~~ i must use long division to solve it : / i was wondering if anyone world like to solve it. and if so, share step-by-step explanations! you! ❤
Answers: 2
Mathematics, 21.06.2019 22:00
1) prove that 731^3−631^3 is divisible by 100 2) prove that 99^3−74^3 is divisible by 25
Answers: 2
Scores on the Critical Reading part of the SAT exam in a recent year were roughly Normal with mean 4...
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