Mathematics, 29.01.2020 13:53 damaricoleman42
Jacob wants to know how many students in his school enjoy watching space travel programs on tv. he poses this question to all 20 students in his history class and finds that 80% of his classmates enjoy watching space travel programs on tv. he claims that 80% of the school's student population would be expected to enjoy watching space travel programs on tv. is jacob making a valid inference about this population?
no, it is not a valid inference because his classmates do not make up a random sample of the students in the school
no, it is not a valid inference because he asked all 20 students in his history class instead of taking a sample from his math class
yes, it is a valid inference because his classmates make up a random sample of the students in the school
yes, it is a valid inference because he asked all 20 students in his history class
Answers: 3
Mathematics, 21.06.2019 16:00
Which is a reasonable estimate of the amount of water in a small, inflatable pool used by children?
Answers: 1
Mathematics, 21.06.2019 16:10
To describe a sequence of transformations that maps triangle abc onto triangle a"b"c", a student starts with a reflection over the x-axis.how should the student complete the sequence of transformations to map triangle abc onto triangle a"b"c"? plz
Answers: 1
Mathematics, 21.06.2019 17:30
How many kilometers are equal to 5 miles? use 1 mile ≈ 1.61 kilometers. !
Answers: 2
Mathematics, 21.06.2019 19:00
How many real-number solutions does the equation have? -4x^2 + 10x + 6 = 0 a. no solutions b. two solutions c. infinitely many solutions d. one solution
Answers: 2
Jacob wants to know how many students in his school enjoy watching space travel programs on tv. he p...
Mathematics, 26.02.2021 19:10
History, 26.02.2021 19:10
Biology, 26.02.2021 19:10
Chemistry, 26.02.2021 19:10
English, 26.02.2021 19:10
Mathematics, 26.02.2021 19:10
Biology, 26.02.2021 19:10
History, 26.02.2021 19:10
History, 26.02.2021 19:10
Mathematics, 26.02.2021 19:10