NEED HELP ASAP PLEASE HELP
...
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 17:30
Someone this asap for a group of students attends a basketball game. * the group buys x hot dogs at the concession stand for $2 each. * the group buys y drinks at the concession stand for $3 each. the group buys 29 items at the concession stand for a total of $70. how many hot dogs did the group buy?
Answers: 2
Mathematics, 21.06.2019 21:00
Atorch and a battery cost 2.50 altogether.the torch costs 1.50 more than the battery.what fraction of the total price is the torch? give your answer in its simplest form.
Answers: 2
English, 25.04.2020 08:12
Mathematics, 25.04.2020 08:12
Mathematics, 25.04.2020 08:12
English, 25.04.2020 08:12
Mathematics, 25.04.2020 08:12
Biology, 25.04.2020 08:12
Social Studies, 25.04.2020 08:12
Mathematics, 25.04.2020 08:13
Mathematics, 25.04.2020 08:13
Social Studies, 25.04.2020 08:13
Mathematics, 25.04.2020 08:13
Health, 25.04.2020 08:13