1. Solve for x.

Mathematics

2 answers:

kati45 [8]3 years ago

7 0

This is the answer for the first one

soldier1979 [14.2K]3 years ago

6 0

Hello there!
1.)x=12 2.)x=8 3.)x=3 4.)x/b=5 5.)x=11 6.)x=-4 7.) about 25 8.)-4x+15 9.) 37/3 x +1 10.)63.74% chance 11.) 45 square feet 12.)26.66665

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Step-by-step explanation:

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Olin [163]

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Step-by-step explanation:

-We first determine the sample proportion:

$\hat p=\frac{x}{n}\\\\=\frac{528}{1008}\\\\=0.5238$

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$CI=\hat p\pm z\sqrt{\frac{\hat p(1-\hat p}{n}}$

#We substitute for the sample proportion and z value to get the Confidence interval:

$CI=\hat p\pm z\sqrt{\frac{\hat p(1-\hat p}{n}}\\\\=0.5238\pm 1.645\times \sqrt{\frac{0.5238\times0.4762}{1008}}\\\\=0.5238\pm0.0259\\\\=[0.4979,0.5497]$