Mathematics, 26.07.2019 10:00 kkakk19
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
Answers: 2
Mathematics, 21.06.2019 20:00
Rectangle bcde is similar to rectangle vwxy. what is the length of side vy? a) 1 7 b) 2 7 c) 3 7 d) 4 7
Answers: 3
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