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sleet_krkn [62]
3 years ago
13

Please answer this question I give brainliest thank! Number 13

Mathematics
1 answer:
anygoal [31]3 years ago
3 0

Answer:

Yes, because only one employee makes at least $12.50.

Step-by-step explanation:

12.50 is about the amount of the mean and is misleading because $25 is an outlier which skews the data.

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Use the confidence interval to find the estimated margin of error. Then find the sample mean. A biologist reports a confidence i
Pavlova-9 [17]

Answer:

\bar X = \frac{Lower +Upper}{2}

\bar X= \frac{1.9+3.3}{2}= 2.6

And the margin of error with this one:

\bar X = \frac{Upper-Lower}{2}

ME = \frac{3.3-1.9}{2}= 0.7

Step-by-step explanation:

Assuming that the parameter of interest is the sample mean \mu. And we can estimate this parameter with a confidence interval given by this formula:

\bar X \pm t_{\alpha/2}\frac{s}{\sqrt{n}}   (1)

For this case the confidence interval is given by (1.9, 3.3)

Since the confidence interval is symmetrical we can estimate the sample mean with this formula:

\bar X = \frac{Lower +Upper}{2}

\bar X= \frac{1.9+3.3}{2}= 2.6

And the margin of error with this one:

\bar X = \frac{Upper-Lower}{2}

ME = \frac{3.3-1.9}{2}= 0.7

7 0
3 years ago
Does anyone have any Idea how to solve this?
Mariulka [41]

Answer:

x = 12

Step-by-step explanation:

Remark

These two angles are corresponding angles and as such, they are equal.

Equation

8x+ 36 = 5x + 72

Solution

Subtract 5x from both sides

8x - 5x + 36 = 5x - 5x + 72          Combine like terms.

3x + 36 = 72                                 Subtract 36 from both sides

3x + 36 - 36 = 72 - 36                  Collect like terms

3x = 36                                          Divide by 3

3x/3 = 36/3                                   Divide

x = 12                                             Answer

6 0
3 years ago
Why can't the product of two digit numbers ever be two digits
amm1812
Im pretty sure it can. 20 +20 = 40. if that helps...
7 0
3 years ago
Read 2 more answers
If x=2, y=3 and z=1 then find the value of <br> 1/2 x + 3/4 y
Nuetrik [128]

Answer:

1 1/4

Step-by-step explanation:

x=2, y=3, and z=1

1/2(2)+3/4(3)=1+3/12=1 1/4

7 0
3 years ago
Read 2 more answers
72.6 meters in 11 seconds
ira [324]
This would simplify to 6.60 meters/second.
8 0
2 years ago
Read 2 more answers
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