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Andreas93 [3]
3 years ago
11

Free fire ooooooooooooh​

Mathematics
2 answers:
lara [203]3 years ago
6 0

Answer:

false

Step-by-step explanation:

IgorLugansk [536]3 years ago
5 0

Answer:

That is straight fire my guy

Step-by-step explanation:

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Classify the system of equations -1/2 x = -2 - y
allsm [11]
Putting both equations into standard form, we have the system
  x -2y = 4
  x -2y = -12

The lines these equations describe are parallel.

5 0
3 years ago
If the mean of a positively skewed distribution is 122, which of these values could be the median of the distribution?
frosja888 [35]

In a positively skewed distribution, the extreme scores are larger, thus the mean is larger than the median. Since the mean is 122, the only possible median is 118. Therefore, D.


I hope my answer has come to your help. Thank you for posting your question here in Brainly. We hope to answer more of your questions and inquiries soon. Have a nice day ahead!
8 0
2 years ago
Read 2 more answers
1) Find the 95 % confidence interval for the mean if σ = 11 , using this sample:
melamori03 [73]

Answer:

The 95 % confidence interval for the mean is between 28.09 and 35.97.

Step-by-step explanation:

Mean of the sample:

30 values.

So we sum all the values and divide by 30.

The sum of all the values(43 + 52 + 18 + ... + 20 + 41) is 961.

961/30 = 32.03

Confidence interval:

We have that to find our \alpha level, that is the subtraction of 1 by the confidence interval divided by 2. So:

\alpha = \frac{1-0.95}{2} = 0.025

Now, we have to find z in the Ztable as such z has a pvalue of 1-\alpha.

So it is z with a pvalue of 1-0.025 = 0.975, so z = 1.96

Now, find the margin of error M as such

M = z*\frac{\sigma}{\sqrt{n}}

In which \sigma is the standard deviation of the population and n is the size of the sample.

M = 1.96\frac{11}{30} = 3.94

The lower end of the interval is the sample mean subtracted by M. So it is 32.03 - 3.94 = 28.09

The upper end of the interval is the sample mean added to M. So it is 32.03 + 3.94 = 35.97

The 95 % confidence interval for the mean is between 28.09 and 35.97.

8 0
3 years ago
Which of the following situations results in a sum of 1 1/2 ? Select all that apply .
Sergio [31]

Answer:

A, E, And D

Step-by-step explanation:

i did the quiz :)

5 0
3 years ago
What is 110+110<br> then multiplied by 3 equal??????
Ainat [17]

Answer:

660 LOL bro and also next time put like multiplied by a fraction of a second to make it harder.

Step-by-step explanation:

110 + 110 = 220

220 x 3 is 660

5 0
2 years ago
Read 2 more answers
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