3 years ago

Pressure head of 120 inches of water produces _______ psi of pressure

Mathematics

1 answer:

Gennadij [26K]3 years ago

8 0

4.335275019289474 this is water column by the way.

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3 years ago

A Florida neighborhood is comprised of a total of 250 houses of which 12% are in foreclosure. A random sample of 91 homes from t

natka813 [3]

Answer:

the standard error of the proportion is 0.0272

Step-by-step explanation:

We have that if the sample size is greater than 5% of the entire population, a finite population correction factor (fpc) is multiplied with the standard error :

fpc = $\sqrt{\frac{N -n}{N -1} }$

We know that N = 250 n = 91, replacing:

fpc = $\sqrt{\frac{250 - 91}{250 -1} }$

fpc = 0.799

Now, the formula would then be:

SE = $\sqrt{\frac{p * (1 -p)}{n} }$ *fpc

Now replacing, knowing that p = 0.12

SE= $\sqrt{\frac{0.12 * (1 - 0.12)}{91} }$ *0.799

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So the standard error of the proportion is 0.0272

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3 years ago

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Answer:

total amount paid = $ 22.9

Step-by-step explanation:

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3 years ago

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