From a survey, a reporter determined that the true estimate for the proportion of citizens who plan to sign a petition is between 68% and 74%. What is the survey’s margin of error?

Answers

Answer 1

Answer:

Answer:

Therefore, the survey's margin of error is ±3%

Step-by-step explanation:

From a survey, a reporter determined that true estimate for the proportion of citizens who plan to sign a petition is between 68% and 74%.

given estimate range = 68% to 74%

Margin of error = (74% - 68%) ÷ 2

6 ÷ 2 = 3%

Therefore, the survey's margin of error is ±3%

Answer 2

Answer: ±3% this was the answer from my test

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1. 2x^2+3x-5=x^2+4x-5
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WILL MARK BRAINLIEST!!

Answers

Answer:

x = 0 or 1
x = ±i/4
x = -5 (twice)

Step-by-step explanation:

Factoring is aided by having the equations in standard form. The first step in each case is to put the equations in that form. The zero product property tells you that a product is zero when a factor is zero. The solutions are the values of x that make the factors zero.

1. x^2 -x = 0

x(x -1) = 0 . . . . . x = 0 or 1

2. 16x^2 +1 = 0

This is the "difference of squares" ...

(4x)^2 - (i)^2 = 0

(4x -i)(4x +i) = 0 . . . . . x = -i/4 or i/4 (zeros are complex)

3. x^2 +10x +25 = 0

(x +5)(x +5) = 0 . . . . . x = -5 with multiplicity 2

a computer monitor is regularly priced at $320. during a two day sale the price was decreased to$240. which of the following is the percentage decrease of the monitors price during the sale?

Answers

In the question there are several information's worth taking note of. based on the given information's the required answer can be easily deduced. It is already given that the regular price of the computer monitor is $320. It is also given that during a two day sale the monitor price was decreased to $ 240. It is required to find the percentage decrease in the price of the monitor during the sale period.
Difference in price of the monitor = (320 - 240) dollars
      = 80 dollars.
Percentage of price decrease of the monitors = (80/320) * 100
   = 100/4
   = 25
So the price of the computer monitor was reduced by 25%.

Select the statement that is the converse of the following statement:If I get a good grade on my next math test, then I'll be stoked.
Answer
If I'm stoked, then I got a good
grade on my math test.
If I'm not stoked, then I didn't
O get a good grade on my math
test.
If I don't get a good grade on
my next math test, then I won't
be stoked.
If I get a good grade on my
next math test, then I won't be
stoked.

Answers

Answer:

"If I don't get a good grade on my next math test, then I won't be stoked."

Step-by-step explanation:

The original statement is about a good grade leading to being happy. The converse statement is about a bad grade leading to not being happy. It's the opposite situation but still follows a similar pattern: "If A, then B" becomes "If not A, then not B."
Let me know if you have any questions!

Is 1,1,2,3 an Arithmetic Sequences

Answers

no because it need to be like in order to make the point to your number it can't repeat again the same number !! V:)

well i am from cape girardeau and my math teacher said that arithmetic numbers and stuff they have to be big numbers like 100,200 stuff like that

Do the ratios 4:18 and 2:9 form a proportion?
yes
no

Answers

Answer:

Yes. A propotion is to check if two things are equivelent. The ratios 4:18 and 2:9 are equivelent.

Consider the function f(x) = 3x - 1. What is f(4)?

Answers

Answer:

Step-by-step explanation:

$f(x) = 3x - 1 \n plug \: x = 4 \n f(4) = 3 * 4 - 1 \n f(4) = 12 - 1 \n f(4) = 11$

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What multiplies to get -210 and adds up to 11

What percent of 125 is 24