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3 years ago

PLEASE HELP ASAP!!! CORRECT ANSWER ONLY PLEASE!!!

Mathematics

1 answer:

S_A_V [24]3 years ago

6 0

As far as I can tell, the definition of margin of error involves more than you're given in this exercise (for example, you should know how many people were surveyed, the standard deviation, etc etc).

So, I assume that you're looking for a "simplified" interpretation of the margin of error: the estimate are around 80%, with a margin of 4% up or down.

So, you would be claiming that 80% of people is satisfied, with a margin of uncertainty of 4% (so it can be a minimum of 80-4=76 and a maximum of 80+4=84)

You might be interested in

84 is 75% of what number?

Georgia [21]

75%=3/4
84/x=3/4
then you cross multiply
84*4=3x
26*4=x
104=x
84 is 75% of 104

5 0

3 years ago

Read 2 more answers

Given the function f(x) = 2(3)x, Section A is from x = 0 to x = 1 and Section B is from x = 2 to x = 3.

jeyben [28]

f(0) = 2(3)(0) = 0 ⇒ (0, 0)

f(1) = 2(3)(1) = 6 ⇒ (1, 6)

rate of change from x = 0 to x = 1

$\frac{y2 - y1}{x2 - x1}$ = $\frac{6 - 0}{1 - 0}$ = $\frac{6}{1}$ = 6

******************************************

f(2) = 2(3)(2) = 12 ⇒ (2, 12)

f(3) = 2(3)(3) = 18 ⇒ (3, 18)

rate of change from x = 2 to x = 3

$\frac{y2 - y1}{x2 - x1}$ = $\frac{18 - 12}{3 - 2}$ = $\frac{6}{1}$ = 6

*****************************************

Since it is the same line, they will have the same slope (aka rate of change).

5 0

4 years ago

After completing a documentary film about the history of different font styles, the producer wonders if people will find the top

zzz [600]

Answer:

$Mean = 5.45$

Step-by-step explanation:

Given

$\begin{array}{cc}{x} & {f} & {0} & {1} & {1} & {2} \ \\ {3} & {1} & {4} & {2} & {5} & {6} & {6} & {7} & {7} & {6} & {8} & {5}\ \end{array}$

Required

Calculate the mean

Mean is calculated as:

$Mean = \frac{\sum fx}{\sum f}$

So, we have:

$Mean = \frac{0*1 + 1*2 + 2*1 + 3*1+4*2+5*6+6*7+7*6+8*5}{1+2+1+1+2+6+7+6+5}$

$Mean = \frac{169}{31}$

$Mean = 5.45161290323$

$Mean = 5.45$ -- approximated

4 0

3 years ago

It takes 570 gallons of paint to

Irina18 [472]

Answer:

142.5 gallons

Step-by-step explanation:

Divide 570 by 4 and then use that for one side

5 0

3 years ago

Which of the below statements is correct and then explain your answer

VMariaS [17]

Answer:

Greater than 3

Step-by-step explanation:

Logarithms explain the relationship between exponents.

Think of them as such, except they got their bases and exponents switched.

In this logarithm:

$log2(10)$

basically says 2 to the power of what gets you to 10.

Now let's experiment: 2^2=4, 2^3=8. 2^4=16.

Wait, we already crossed 10. Now we know that log2(10) must be in between 3 and 4. We don't need to find the exact value, because thats not what the question asked.

It's between 3 and 4, so it has to be greater than 3 but less than 4. Thee is your answer!

Have a nice day! :)

8 0

2 years ago