2 years ago

Find the area of the trapezoid answers 30 , 60 , 90 , 120

Mathematics

1 answer:

olga nikolaevna [1]2 years ago

4 0

There is no picture to be solved

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Step-by-step explanation:

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Kris has finished 7/8 of 40 questions. how many were done

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2 years ago

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2 years ago

What is the margin of error for a yes/no survey of 200 people with a proportion of 65% who answered \"yes\"?. A. ±3.37%. B. ±5.0

azamat

$\sqrt{(p*q)/n}$

where p is the number of positive outcomes (yes) and q is the number of negative outcomes (no).

$\sqrt{(0.65*(1-0.65))/200}$ = 0.0337 or 3.37%

answer is A.

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3 years ago