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damaskus [11]
3 years ago
15

Which of the following is NOT a requirement of testing a claim about two population means when 1 and 2 are unknown and not assum

ed to be​ equal? Choose the correct answer below. A. The two samples are dependent. B. Both samples are simple random samples. C. Either the two sample sizes are large ​(30 and ​30) or both samples come from populations having normal​ distributions, or both of these conditions are satisfied. D. The two samples are independent.
Mathematics
1 answer:
andrey2020 [161]3 years ago
7 0

Answer:

The correct answer is D because they are unknown

Step-by-step explanation:

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How many solutions does the system of equations have?<br> 6x+y=2<br> -18x+3y=12
Tamiku [17]
There will be one solution. To solve that:
1. Get the y alone by switching the places.
6x+y=2 > y=2-6x 
-18x+3y=12 > 3y=12-18x > Then divide 3 on each number > y=4-6x
After doing that, you can solve this in graphing or algebra way.

Ima do the algebra way: 

SO we have 2 system of equations. Now pick one equestion.
I will pick, y=2-6x. Now Ima replace the Y with the other equation y=4-6x >  
4-6x=2-6x.

Now solve. And get >  0 aka Infinite Solution.
6 0
3 years ago
Read 2 more answers
Two accountants for the firm of Elwes and Wright are arguing about the merits of presenting an income statement in a multiple-st
olchik [2.2K]

Answer:

73,188

Step-by-step explanation:

fees plus costs minus expenses

8 0
3 years ago
Porter uses 2 pints of stain on each table that he makes. How many tables can he paint with
Nitella [24]
<h3>Answer:  4 tables</h3>

Explanatioin

1 table needs 2 pints

There are 8 pints in a gallon, so he can paint 8/2 = 4 tables.

6 0
2 years ago
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The graph shows the amount of water that remains in a barrel after it begins to leak. The variable x represents the number of da
vivado [14]

A = ( 15 , 15 )

B = ( 6 , 33 )

slope =  \frac{y(b) - y(a)}{x(b) - x(a)} \\

slope =  \frac{33 - 15}{ 6 - 15} \\

slope =  \frac{18}{ - 9} \\

slope =  - 2

Thanks for watching buddy good luck.

♥️♥️♥️♥️♥️

7 0
3 years ago
What’s this I don’t know
avanturin [10]

Answer:

C.

Step-by-step explanation:

its C.

7 0
3 years ago
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