Mike wants to find the confidence interval for a set of data. He knows the sample size and the sample proportion. Which other piece of information does he need to determine the confidence interval? A.
the critical value
B.
the number of favorable responses
C.
the standard error of the mean
D.
the standard deviation

I think the answer is letter C

Step-by-step explanation:

a - base

b - exponent

8^3=\underbrace{8\cdot 8 \cdot 8}_{3}

so,

the base is 8the exponent is 3the exponent tells you to multiply 8 together three times the expanded form is 8*8*8

geometry: triangles

solvers

lessons

answers archive

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

no i do not : ( what is it?