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Mathematics 9 Online
gababb09:

Carla wants to know how many students in her school enjoy watching reality TV shows. She asks all 22 students in her science class and finds that 40% of her classmates enjoy watching reality TV shows. She claims that 40% of the school's student population would be expected to enjoy watching reality TV shows. Is Carla making a valid inference about her population? A. No, it is not a valid inference because she asked all 22 students in her science class instead of taking a sample from her music class B. No, it is not a valid inference because she asked all 22 students in her science class instead of taking a sample of the students in her school C. Yes, it is a valid inference because she asked all 22 students in her science class D. Yes, it is a valid inference because her classmates make up a random sample of the students in the school

AngeI:

Hello welcome to QuestionCove cx What do you think it is?

AngeI:

I know this but I cannot straight uo tell you the answer

gababb09:

I think it's B but I'm not sure

gababb09:

or it could be D

AngeI:

It would be b Because for all we know the school could have hundred of people in it. And that class could jist be more leaning towards reality TV It is generally best to do a out of a hundred people But the most people you survery the more accurate it will be cx

gababb09:

thanks for the hep

AngeI:

Mhm cx

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