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Mathematics, 21.06.2019 15:00
Jeffery conducted a survey in his school and found that 30 of the 50 eighth grade students' favorite subject is mathematics. based on the results, jeffery concluded that out of the 200 students in his school, 120 students' favorite subject is mathematics. select the statement that is true about jeffery's conclusion. a. jeffery's conclusion is not valid because the sample was biased since only 200 students were surveyed. b. jeffery's conclusion is valid because the sample was random since all of the students were eighth grade students. c. jeffery's conclusion is valid because the sample was random. d. jeffery's conclusion is not valid because the sample was biased since all of the students were eighth grade students.
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Mathematics, 21.06.2019 21:00
What is the value of m in the equation 1/2 m - 3/4n=16 when n=8
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Mathematics, 21.06.2019 21:50
Which equation shows the quadratic formula used correctly to solve 5x2 + 3x -4 0 for x? cos -3+ v (3) 2-4() 2(5) 3+ |(3)² +4() 205) 3+ (3) 2-4() -3+ v (3)² +4()
Answers: 1
Mathematics, 22.06.2019 01:00
Asmall book publisher knows that 26 books weigh 41 lbs. how much do 40 books weigh?
Answers: 1
What is the product of -2/7 and -3/6...
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