Mathematics, 22.08.2019 16:30 devin3634
Atotal of 28 students have entered a spelling contest. there are 6 medals for first through sixth place will be awarded. in how many different ways can the medals be awarded?
a. 178,340
b. 376,740
c. 271,252,800
d. 96, 860
(i am terrible at probability questions.)
Answers: 2
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 16:00
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Mathematics, 21.06.2019 17:00
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Mathematics, 22.06.2019 02:00
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