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astraxan [27]
3 years ago
5

What is the mean in math?

Mathematics
2 answers:
sertanlavr [38]3 years ago
3 0
Adding all vakus in data set and divide by the number of values in the data set
ipn [44]3 years ago
3 0
The mean is the average. You find it by adding all of the numbers in your set together, and then dividing that sum by the number of numbers that you have. For example, this is my set:

12   32    11    8    24

I would add those number together

12 + 32 + 11 + 8 + 24 = 87

Then I would divide 87 by the number of numbers I have, which, in the examples case is 5.

87 / 5 = 17.4 
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Barbara claims that her horse can do simple addition problems. She showed her horse eight different cards with simple addition p
Arturiano [62]

Answer:

Barbara's horse can add

Step-by-step explanation:

To test if the horse could add, Eric he tried to calculate experimentally the probability that the horse had guessed the 8 answers.



If we call "trial" the action of throwing 8 coins and count the number of tails obtained, then eric made 53 trials.


During each trial, 8 events could have occurred:


Get 1, 2, 3, 4, 5, 6, 7 or 8 tails.


The plot of points obtained by Eric shows the frequency in which each of these 8 events occurred during the 53 trials.


The fact that the point diagram shows only one point on event 8, means that it occurred only once during the 53 trials, and compared to the other 7 events, this was the one with a lower frequency (the one that obtained the the highest frequency was the 4-tailed one, with 11 points).


This means that it is very unlikely to get 8 queues when casting 8 coins.


Therefore it also means that it is unlikely that Barbara's horse has guessed the 8 answers.

So, curiously, Barbara's horse maybe knows how to add

6 0
2 years ago
Read 2 more answers
A jar contains five red marbles and three green marbles. A marble is drawn at random and not
Alex787 [66]
5+3=8
Every time you draw, its minus one from denominator

1st marble red: 5/8

2nd marble green: 3/7
5 0
3 years ago
Look at the attachment please!
Tju [1.3M]

See the attached picture:

7 0
3 years ago
Factor the expression 2x^3-10x^2-5x+25. Show your work.
azamat

Step 1. Factor out common terms in the first two terms, then in the last two terms.

2x^2(x - 5) -5(x - 5)

Step 2. Factor out the common term x - 5

(x - 5)(2x^2 - 5)

4 0
3 years ago
Dantes age is 3 times terrells age the sum of their age is 72 what is terrells age
Gwar [14]

Answer:

terrells' age is 18 years old

Step-by-step explanation:

d represents dantes' age

t represents terrells' age

d= 3t

d+ t = 72

substitute d to the second equation

d+ t = 72

3t+t=72

4t = 72

t = 18

See my other articles for quiz and assignment in my site.

Just copy and paste "learningandassignments diy4pro" to google search engine.

Hope it helps.

5 0
3 years ago
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