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Elena-2011 [213]
2 years ago
9

A newspaper plans to conduct a survey for the upcoming presidential election in order to estimate the proportion of the populati

on, p, who supports a certain candidate. What is the smallest sample size needed to obtain an estimate that is within 4% of the true proportion p at the 96% confidence level
Mathematics
1 answer:
xxTIMURxx [149]2 years ago
6 0

Answer:

660

Step-by-step explanation:

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What percent of 120 is 90
Alex777 [14]

Answer:

75%

Step-by-step explanation:

90/ 120 is the same as 75 or 3/4 so  75% of 120 is 90

7 0
2 years ago
I WILL MARK YOU BRAINLIEST! PLEASE HELP ME FIND THE VALUE OF X
alexdok [17]

Answer:

X=27

Step-by-step explanation:

6x6 =36 divided by 2= 23 + 4 =27

9x9=54 divided by 2=27

8 0
3 years ago
If x <.-4 what must be true?
lesantik [10]

Answer:

x{-5,-6,-7.....,-infinity} so no.c)x is to the left of -4 on number line

Hope it helps

8 0
2 years ago
Read 2 more answers
Which expression is equivalent to the following complex fraction? (2-1/y)/(3+1/y)
In-s [12.5K]
\dfrac{2-\frac{1}{y}}{3+\frac{1}{y}}=\left(2-\dfrac{1}{y}\right):\left(3+\dfrac{1}{y}\right)=\left(\dfrac{2y}{y}-\dfrac{1}{y}\right):\left(\dfrac{3y}{y}-\dfrac{1}{y}\right)\\\\=\dfrac{2y-1}{y}:\dfrac{3y+1}{y}=\dfrac{2y-1}{y}\cdot\dfrac{y}{3y+1}=\dfrac{2y-1}{3y+1}
5 0
3 years ago
Write the equation of the line passing through the points (-4,5) and (4,1). Show all of your work.
777dan777 [17]

First, find the slope using the equation, y2 - y1 / x2 - x1

1-5 / 4 - - 4 = -4/8 =  -1/2

plug this into slope intercept form

y = -1/2x + b

Next use one of the points to find b using point-slope form. I will use (4,1)

y - y1 = m ( x - x1)

y - 1 = -1/2 (x - 4)

y -1 = -1/2x + 2

+1                  +1

y = -1/2x + 3 is your equation

5 0
2 years ago
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