Kim wants to know how many families in her small neighborhood of 70 homes would participate in a neighborhood sports event. She put all the addresses in a bag and drew a random sample of 35 addresses. She then asked those families if they would participate in the sports event. She found that 15% of the families would participate in the event. She claims that 15% of the neighborhood families would be expected to participate in the sports event. Is this a valid inference?

Yes, this is a valid inference because she took a random sample of the neighborhood

Yes, this is a valid inference because the 35 families speak for the whole neighborhood

No, this is not a valid inference because she asked only 35 families

No, this is not a valid inference because she did not take a random sample of the neighborhood

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5 September, 12:51

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Giada · Answer 1

No this is not a valid inference because she only took a sample from 35 families