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bija089 [108]
3 years ago
6

PLEASE HELP AS SOON AS POSSIBLE!!

Mathematics
2 answers:
Serhud [2]3 years ago
7 0
1. 9.86* 10 ^13
2.  5.394* 10^13
3. and 4. I don't know those questions are confusing
5. 2.3705* 10^35
6. 5^10 
7.  4^13
8. 6^ 36
9. 2.425674* 10^30
10. 1.1556* 10^13
alisha [4.7K]3 years ago
4 0

Answer:


Step-by-step explanation: fist u need to distribute and follow order of operations and put together your exponets


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At least 96.00​% of the data in any data set lie within how many standard deviations of the​ mean? Explain how you arrived at yo
zheka24 [161]

The answer assumes that the question is about the <em>normal distribution</em>.

Answer:

96% of the data in any data set <em>normally distributed</em> is 2.05 <em>standard deviations</em> <em>above</em> and <em>below</em> the mean.

Step-by-step explanation:

The key to solving this question is having into account that exists the <em>standard normal distribution</em> that permits obtaining any probability from any normally distributed data, doing the following transformation:

\\ z = \frac{x-\mu}{\sigma}

That is, in this case, we subtract a given value <em>x</em> from the <em>population mean</em> and then divide the result by the <em>population standard deviation</em>. This is a z-score, and this value is associated with the probability for a <em>standard normal distribution</em>, with a population mean = 0 and population standard deviation = 1.

Fortunately, for the <em>standard normal distribution</em>, there is associated a ubiquitous <em>standard normal table</em> for possible values of <em>z</em> and the corresponding probability. Then, knowing that the data are <em>normally distributed</em> and having both distribution <em>parameters</em>, namely, the <em>population mean</em> and <em>population standard deviation</em>, we can consult any standard normal table to find the probabilities for any data distributed following the normal distribution.

However, even without previously know the values of the normal parameters, the standard normal distribution can tell us how many standard deviations from the mean are 96.00% of the data for every normally distributed population.

<h3>Solving the question</h3>

Having all this information at hand, we know that <em>the z-score value tells us how many standard deviations</em> <em>from the mean</em> are the data normally distributed. As a result, we can determine how many standard deviations below and above the population mean represent the 96.00% of the cases for this normal distribution consulting a <em>cumulative standard normal table from the mean</em>.

If we divide 96.00/2 = 48, that is, 0.48, we need to find the z-score for this probability consulting a <em>cumulative standard normal table from the mean</em>. The values for a z-score for that probability is z=2.05, approximately. So, since the normal distribution is also symmetrical, those values are above and below the mean, that is, z =2.05 (above) and z=-2.05(below).

Thus, 96% of the data in any data set normally distributed is 2.05 <em>standard deviations</em> <em>above</em> and <em>below</em> the mean.  

 

5 0
3 years ago
A painting has an area of 108 square inches. The dimensions of the painting are 12 and x + 3. What is the perimeter of the paint
slega [8]

Answer:

108 divide 12 and i got 9

then i did 9-3 and i got 6.

12+12+9+9=42

So the perimeter is 42

Welp i don't know if it is correct or not

Step-by-step explanation:

7 0
3 years ago
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What is <br> 1/2 times 1/8
postnew [5]

Answer:

the answer is 1/16

3 0
3 years ago
List the reactants when limestone reacts to produce calcium chloride,water and carbondioxide
Artemon [7]

Answer:

The completed reaction is

CaCO3 + 2 HCl → (Ca+2 + 2 Cl-)aq + H2O + CO2↑

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3 years ago
A thread was folded in half twice. Then, it was cut in a random place. One of the pieces is 8cm, and the longest piece is 18cm.
Elena-2011 [213]

Answer:

fffffff

Step-by-step explanation:

5 0
2 years ago
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