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pickupchik [31]
3 years ago
10

How do I find the mean of a number?

Mathematics
2 answers:
I am Lyosha [343]3 years ago
7 0
In order to find the mean of a set of numbers, you add all of the numbers together and then divide by the number of the numbers. I'm going to show an example since this is confusing.

1, 2, 4, 6, 5, 3

First, add all the numbers together and you get 21.
Then, you divide 21 by 6, because there are 6 numbers, and you get 3.5
So, 3.5 is the mean.

Hope this helped!
Yakvenalex [24]3 years ago
5 0
The mean<span> is the average of the </span><span>numbers i hope this helps</span>
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A plant manufactures part whose lengths are normally distributed with a mean of 16.3 centimeters and a standard deviation of 2.5
EastWind [94]

The probability that the plant manufactures a part between 10.8 and 12.8 centimeters 13%

<h3>How to find the probability that the part is between 10.8 and 12.8 centimeters</h3>

The probability is solved z scores, this measures the amount of standard deviation sample X is from mean. the formula is below

z = (X - μ) / σ

<u>Definition of variables</u>

mean, μ = 16.3 centimeters

standard deviation, σ = 2.5 centimeters

X = 10.8 and 12.8 centimeters

z score, z

substituting into the formula

for X = 12.8 centimeters

=  (X - μ) / σ

= (12.8 - 16.3) / 2.5

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the p value for z of -1.4 = 0.161513

for X = 10.8 centimeters

=  (X - μ) / σ

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= -2.2

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Learn more about standard deviation at:

brainly.com/question/28948351

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Answer:

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Answer:

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