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yuradex [85]
3 years ago
6

Someone Please help me with this with Step by Step explanation.

Mathematics
1 answer:
Lana71 [14]3 years ago
8 0

there you go i think thats it

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A random sample of adults were asked whether they prefer reading an e-book over a printed book. The survey resulted in a sample
djyliett [7]

Answer: (0.10\ ,\ 0.18)

Step-by-step explanation:

According to the empirical rule, the 95% confidence interval for the true population proportion is given by :-

(p'-2\sigma_{p'}\ ,\ p'+2\sigma_{p'})

Given : . The survey resulted in a sample proportion of p′=0.14, with a sampling standard deviation of σp′=0.02, who preferred reading an e-book.

Then, the 95% confidence interval for the true proportion of adults who prefer e-books will be :-

(0.14-2(0.02)\ ,\ 0.14+2(0.02))\\\\=(0.14-0.04\ ,\ 0.14+0.04)\\\\=(0.10\ ,\ 0.18)

Hence, the 95% confidence interval for the true proportion of adults who prefer e-books= (0.10\ ,\ 0.18)

8 0
3 years ago
The ordered pair given in the bottom row can be written<br> using function notation as
Over [174]

where is the ordered pair?

8 0
3 years ago
Read 2 more answers
Chen’s house is 53 years old. This is 5 more than twice the age of Sunny’s house, h.
tankabanditka [31]

Answer:

The Equation which shows the equality is 53 = 2 h + 5 ,

The age of Sunny's house is 24 years old

Step-by-step explanation:

Given as ;

The age of the house of Chen's is 53 years old

Let the age of of the house of sunny = h years old

So, according to question

Chen's house age is 5 years more than twice the age of sunny's house

I.e Chen's house age = 2 × sunny's house age + 5

Or, 53 = 2 × h + 5

or,  2 × h = 53 - 5

so . 2 × h = 48

∴    h = \frac{48}{2} = 24 years

Hence The Equation which shows the equality is 53 = 2 h + 5 , And The age of Sunny's house is 24 years old .  Answer

5 0
3 years ago
PLEASE HELP FOR 50 POINTS
ra1l [238]

Answer:

what class are you in? if you have a book you can use this site called slader it gives you every answer for free and there is steps. HOPE THIS HELPS.

Step-by-step explanation:

5 0
3 years ago
I WILL GIVE U BRAINLIEST IF U ANSWER RIGHT <br> Which point has the coordinates (−3.5, 4)?
Dvinal [7]
<h2>Greetings!</h2>

An easy way to remember this is along the corridoor, up the stairs!

That being said the first number, -3.5, is a negative which means it will be on the left hand side of the x axis. Simply look for the point that goes along this line.

And the second number, which is the point on the y axis, is a positive number which means it is above the x axis. Simply look for the point that is along y = 4

This means you can find the point, which in this case is Z.


<h2>Hope this helps!</h2>
3 0
3 years ago
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