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Sav [38]
3 years ago
5

You are given a set of data with a mean of 50 and standard deviation of 8. Using the normal curve, give an example of an outlier

and explain why.
Mathematics
1 answer:
Tatiana [17]3 years ago
7 0

Answer:

<u>Anything less than 26, and greater than 74.</u>

Step-by-step explanation:

In normal distribution, the outlier is more than e ≈ 2.72 standard deviations above quartile 3, and e standard deviations below quartile 1. These quartiles are divisions that make up what is known as the innerquartile range(IQR). Which defines the variability of a data set given by IQR = Q3-Q1.

Given that the mean of this data is 50, and the standard deviation is 8.

Our outliers are anything less than 26, and anything greater than 74. Since outliers are anything outside the mean plus and minus the standard deviation times 3

outliers :/ = :/ mean :/  \pm

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Blababa [14]

The value of the collection originally was $1,000,000

What was the original value of the collection?

The original value of the collection is not known, hence, it is represented by X

The increase in value by $50,000 means that the value is X+$50,000

Now, when the error was discovered, it is now worth half of the  value previously

The new value is (X+$50,000)*0.5

New value=(X+$50,000)*0.5

The new value at this point is $525,000

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$525,000/0.5=X+$50,000

$1,050,000=X+$50,000

X=$1,050,000-$50,000

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6 0
1 year ago
What are the answers to these aswell mb?
docker41 [41]

Answer:

4 is D = 23

Step-by-step explanation:

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5 0
3 years ago
Simplify: 3x(x^2 + 4x - 5)
Alina [70]

Answer:

3x^3+ 12x^2-15x

Step-by-step explanation:

First, you would have to distribute the 3x to everything in the parentheses. So you can write it out as (3x*x^2)+(3x*4x)+(3x*5). Solving this will give you the answer. We'll start off with (3x*x^2). Because we are MULTIPLYING, this part will equal to 3x^3. There is ONE x with 3x (think of it as 3x^1) and 2 x's in x^2, having a total of 3 x's, or x^3. Since the 3 is being multiplied as well, we can write it as 3x^3.

Second, we will solve (3x*4x). We are multiplying, so first we multiply 3*4 and then x*x. 3*4 is 12 and x*x is x^2.  There are 2 x's being mutipled by each other, so the x becomes squared. Now we finish and multiply 12*x^2 wich is 12x^2.

Lastly, we solve (3x*5). 3x is being multiplied 5 times which gives us 15x.

I hope this helped :)

3 0
3 years ago
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sveticcg [70]

Answer:

15%

Step-by-step explanation:

8 0
2 years ago
Read 2 more answers
Help me with this one pls
lora16 [44]
<h2>C. –1.3 + 1.9</h2>

<h3>=  \tt{  - 1.3 - ( - 1.9)}</h3><h2>=  \green{\boxed{\tt{{ - 1.3 + 1.9}}}}</h2><h3>= 0.6</h3>
4 0
3 years ago
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