In a Gallup Youth Survey done in 2000, 501 randomly selected American teenagers were asked about how well they get along with their parents. A survey result was that 270 teenagers in the sample said they get along “very well” with their parents. Use this to estimate the proportion of the population who would say they get along “very well” with their parents, including a margin of error.
A). 53.9% +/1 2.22%
B). 53.9% +/1 4.45%
C). 53.9+/- 2.7%
D). None of these

-362

step-by-step explanation:

(12)(4)+2(12)-34(12)+2(12)-3

  \/         \/         \/         \/

  48 +   24 -   408 + 24 - 3

      \   /               \   /

          72     -     432 - 3 = -363

a 4/6 = 9/12   not proportional

step-by-step explanation:

to find which are not proportional, we can use cross products

if it is true, they are proportional.   if it is not true, they are not proportional.

a 4/6 = 9/12

4* 12 = 6*9

48 = 54

not this is not proportional  

b 2/3 = 12/18  

2* 18 = 3 * 12

36 = 36

this is proportional

c 5/4 = 10/8  

5*8 = 4*10

40 = 40

this is proportional

d 7/5 = 35/25

7*25 = 5 * 35

175 = 175

is proportional

$15 each

step-by-step explanation:

$45/3 children= $15 each