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Liono4ka [1.6K]
2 years ago
9

A) Find a​ 90% confidence interval for the slope of the regression line of​ %Body Fat on Waist.

Mathematics
1 answer:
dusya [7]2 years ago
4 0

Answer:

this is to hard and I like math

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In Mr. Smith's 7th Hour
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binomial(16 + 7, 16) 2^(-(16 + 7)) = ((16 + 7)!)/(16! 7! 2^(16 + 7)) = 245157/8388608 ≈ 0.02922 ≈ 1/34.22

(assuming children are independent and male and female are equally likely)

| probability

less than 16 boys | 0.9534

16 or less boys | 0.9827

more than 16 boys | 0.01734

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fraction of boys | 16/(16 + 7) ≈ 0.695652

fraction of girls | 7/(16 + 7) ≈ 0.304348

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standard deviation | 2.398

variance | 5.75

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