![subject](/tpl/images/cats/mat.png)
Mathematics, 19.07.2019 00:30 mstrish71oteauw
Johnny wants to know how many students in his school enjoy watching science programs on tv. he poses this question to all 26 students in his science class and finds that 75% of his classmates enjoy watching science programs on tv. he claims that 75% of the school's student population would be expected to enjoy watching science programs on tv. is johnny making a valid inference about this population? 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 26 students in his science class no, it is not a valid inference because he asked all 26 students in his science class instead of taking a sample from his math class no, it is not a valid inference because his classmates do not make up a random sample of the students in the school
![ansver](/tpl/images/cats/User.png)
Answers: 1
Another question on Mathematics
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 15:00
Pj is decorating pupcakes for rocky's birthday party. her color scheme is black, purple, and green. she will use this spinner to determine the color of sprinkles on each pupcake. which model shows the probability of randomly landing on each color?
Answers: 3
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 18:10
Which points are solutions to the linear inequality y < 0.5x + 2? check all that apply. (–3, –2) (–2, 1) (–1, –2) (–1, 2) (1, –2) (1, 2)
Answers: 3
You know the right answer?
Johnny wants to know how many students in his school enjoy watching science programs on tv. he poses...
Questions
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/biologiya.png)
Biology, 19.10.2019 17:20
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 19.10.2019 17:20
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 19.10.2019 17:30
![question](/tpl/images/cats/biologiya.png)
Biology, 19.10.2019 17:30
![question](/tpl/images/cats/mat.png)
Mathematics, 19.10.2019 17:30
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/biologiya.png)
Biology, 19.10.2019 17:30
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 19.10.2019 17:30
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 19.10.2019 17:30
![question](/tpl/images/cats/mat.png)
Mathematics, 19.10.2019 17:30