i have a question to ask and its which is least valid way to simulate how many boys and girls are in a random sample of 20 students from a school population that is half boys and half girls? A flip a coin 20 x (time is x) assigning one outcome to boys and the other girls. B drop a coin all at once count the number of each outcome . C count how many boys and girls are in your math class of each and use a proportion. D have a calculator generate 20 random integers and count the number of even and odd integers.
Thank you to helps me.

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ejdixon1 ejdixon1

05-07-2018
Mathematics

contestada

i have a question to ask and its which is least valid way to simulate how many boys and girls are in a random sample of 20 students from a school population that is half boys and half girls? A flip a coin 20 x (time is x) assigning one outcome to boys and the other girls. B drop a coin all at once count the number of each outcome . C count how many boys and girls are in your math class of each and use a proportion. D have a calculator generate 20 random integers and count the number of even and odd integers.
Thank you to helps me.

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JonHenderson55 JonHenderson55 · Answer 1 · 2018-07-05T20:16:35+02:00

The correct answer is: [C]:
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"count how many boys and girls are in your math class of each and use a proportion."
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Note: The question asks for the "least valid way" to simulate "how many boys and girls are in a "random sample" of "[20 students from a school population that is half boys and half girls".
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Among the answer choices given, this method would be the least consistent with—and least appropriate for—obtaining a "random sample".
This answer choice: [C] ; involves "precision" —and seems incomplete, as well.
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