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miv72 [106K]
3 years ago
8

Use the values on the number line to find the sampling error.

Mathematics
1 answer:
pantera1 [17]3 years ago
4 0
Part 1:

Given a number line with the point \bar{x}=3.8 and the point \mu=4.27

The sampling error is given by:

\bar{x}-\mu=3.8-4.27=-0.47



Part 2:

Given a number line with the point \bar{x}=26.43 and the point \mu=24.67

The sampling error is given by:

\bar{x}-\mu=26.43-24.67=1.76
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2x 1/2 x3 2/3 im goin to be need a lot of helpppp
RSB [31]

Answer:

3.66666666667

or

3.67(rounded to the nearest tenth)

Step-by-step explanation:

2x 1/2 x3 2/3 = 3.66666666667

<em>Ace Carlos</em>

<em>Developer</em>

4 0
3 years ago
Read 2 more answers
10x + 7y = –8<br> 7x + 7y = –14
Georgia [21]

Answer:

(2, - 4 )

Step-by-step explanation:

Given the 2 equations

10x + 7y = - 8 → (1)

7x + 7y = - 14 → (2)

Subtract (2) from (1) term by term to eliminate y

(10x - 7x) + (7y - 7y) = - 8 - (- 14) , that is

3x = 6 ( divide both sides by 3 )

x = 2

Substitute x = 2 into either of the 2 equations and solve for y

Substituting into (1)

10(2) + 7y = - 8

20 + 7y = - 8 ( subtract 20 from both sides )

7y = - 28 ( divide both sides by 7 )

y = - 4

solution to the system of equations is (2, - 4 )

4 0
3 years ago
Sorry just one question please help me Desperate :'(
alex41 [277]
I think it’s the second option
7 0
3 years ago
X-9&gt;6 how do I find the answer
Anvisha [2.4K]
If you would like to solve the inequation X - 9 > 6, you can calculate this using the following steps:

X - 9 > 6      /+9
X - 9 + 9 > 6 + 9
X + 0 > 15
X > 15

The correct result would be X > 15.
5 0
3 years ago
Read 2 more answers
Laura invests $2500 in one account and $1500 in an account paying 2 % higher interest. At the end of one year she had earned $11
Crank

Answer:

$2500 - 2%

$1500 - 4%

Step-by-step explanation:

Say the interest for the $2500 is x, so the interest for the $1500 is x+0.02.

As an equation, they would look like this:

2500x+1500(x+0.02)=110

Now solve

2500+1500x+30=110

4000x=80

x=0.02

That means the interest for the $2500 is 0.02, or 2%, and the interest for the $1500 is 0.04, or 4%.

6 0
4 years ago
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