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katovenus [111]
3 years ago
7

I need help with math due tonight please help!!!!!

Mathematics
2 answers:
sammy [17]3 years ago
8 0
The third one. I need to add extra characters though so shdmsns
lozanna [386]3 years ago
4 0
The third shape! When you fold the pieces together you can calculate the correct answer is the third shape!
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At a small college somewhere on the East coast, 20% of the girls and 30% of the boys smoke at least once a week.
Nezavi [6.7K]

Answer: Required mean would be 15.

Step-by-step explanation:

Since we have given that

Number of girls G= 75

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We need to find the mean of the sampling distribution of the difference in the sample proportion of girl smokers and boys smokers.

So, it becomes,

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Hence, required mean would be 15.

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3 years ago
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