Need help on my spring break packet
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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.
Answers: 2
Mathematics, 21.06.2019 17:30
Can someone me and do the problem plz so i can understand it more better
Answers: 2
Mathematics, 21.06.2019 17:30
Find the zero function by factoring (try to show work) h(x)=-x^2-6x-9
Answers: 2
Mathematics, 21.06.2019 19:00
Lena reflected this figure across the x-axis. she writes the vertices of the image as a'(−2, 8), b'(−5, 6), c'(−8, 8), d'(−4, 2).
Answers: 2
Mathematics, 31.08.2020 01:01
Mathematics, 31.08.2020 01:01
Mathematics, 31.08.2020 01:01
Geography, 31.08.2020 01:01