Answers: 1
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 23:00
Assume that there is a 11% rate of disk drive failure in a year. a. if all your computer data is stored on a hard disk drive with a copy stored on a second hard disk drive, what is the probability that during a year, you can avoid catastrophe with at least one working drive? b. if copies of all your computer data are stored on four independent hard disk drives, what is the probability that during a year, you can avoid catastrophe with at least one working drive?
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Mathematics, 22.06.2019 00:30
How many square centimeters of wrapping paper will be used to wrap the shoe box?
Answers: 2
Mathematics, 22.06.2019 02:00
Which polynomial correctly combines the like terms and expresses the given polynomial in standard form? 8mn5 β 2m6 + 5m2n4 β m3n3 + n6 β 4m6 + 9m2n4 β mn5 β 4m3n3 n6 + 7mn5 + 14m2n4 β 5m3n3 β 6m6 β2m6 β 5m3n3 + 14m2n4 + 7mn5 + n6 14m2n4 + 7mn5 β 6m6 β 5m3n3 + n6 n6 β 6m6 + 7mn5 + 14m2n4 β 5m3n3 show work
Answers: 3
-3 (k+7)-5k+4=23 what is k...
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