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m_a_m_a [10]
3 years ago
5

a normal distribution with a mean of 85 and a standard deviation of 12. What is the proportion between 80 and 90? u =85 s =12. P

(80
Mathematics
1 answer:
Neko [114]3 years ago
4 0
I think the answer is 44
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To find the average of an amount of numbers, we simply add them up and divide them by the amount of numbers we have. For example, if we have 1,2, and 3 as our numbers, we can see that we have three numbers. Next, we add them up to get 1+2+3=6. Lastly, we divide 6 by the amount of numbers we have (3) to get 6/3=2 as our average. Applying that here, we see that there are four numbers. Next, we add them up using a calculator to get 5,678.54+3,665.77+4,231.98+4,768.99 =18345.28 . Finally, we divide that number by the amount of numbers we have (using a calculator) to get 18345.28/4=4,586.32, making B your answer.


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3 years ago
On a coordinate plane, points (2, 4), (4, 8), and (5, 10) are plotted.
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Step-by-step explanation:

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4 0
3 years ago
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What is the developed form of 2(3x-10)
vovikov84 [41]
The first step to finding the developed form is to multiply each term in the parenthesis by 2
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4 years ago
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