In a random sample of 64 people, 32 are classified as "successful." a. Determine the sample proportion, p, of "successful people.
b. If the population proportion is 0.75, determine the standard error of the proportion.

geometry: triangles

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call the larger triangle abc

then the smaller triangle cde is similar to abc (all angles are equal, aaa).  

ab is the side that is 36, and we wish to find de, the side corresponding to ab

area_cde = area_abc - area_cde --> area_abc / area_cde = 2

let x=length of de

ratio of areas = (ratio of sides)^2

+2+=+%2836%2fx%29%5e2+

+2+=+1296%2fx%5e2+

++x%5e2+=+1296%2f2+=+648+

25.45584

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what does 'mandy have ben 780 bottle caps. ' mean?

2 1/2 feet

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