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Mathematics 16 Online
OpenStudy (anonymous):

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?

OpenStudy (anonymous):

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

OpenStudy (anonymous):

should I put it like not so close to together

OpenStudy (anonymous):

Yeah ^_^

OpenStudy (anonymous):

ok one sec

OpenStudy (anonymous):

? 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

OpenStudy (anonymous):

I think it might be C because at the end she claims that 15% of the neighborhood families would be expected to participate in the sports.

OpenStudy (anonymous):

ok well I will try it and see what happens thank you for trying you best here a medal xdd :)

OpenStudy (anonymous):

^_^ I hope it's right

OpenStudy (anonymous):

one sec I will tell yea

OpenStudy (anonymous):

ITS RIGHT!!!!!

OpenStudy (anonymous):

Yay!!! ^_^

OpenStudy (anonymous):

WOOT

OpenStudy (anonymous):

thank you again

OpenStudy (anonymous):

np

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