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?
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
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
Yes, it is a valid inference because she asked all 22 students in her science class
Yes, it is a valid inference because her classmates make up a random sample of the students in the school
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