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Naily [24]
4 years ago
11

What is the mean mark in5,8,4,3,7,6,2,9 and 1​

Mathematics
2 answers:
jasenka [17]4 years ago
7 0

Answer:

5

Step-by-step explanation:

You would add all the numbers together and then divide it by how many numbers there are

Eva8 [605]4 years ago
6 0

Answer:

Mean= 5+8+4+3+7+6+2+9+1÷9

         =5

Step-by-step explanation: The mean is 5

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The weight of an organ in adult males has a​ bell-shaped distribution with a mean of 325 grams and a standard deviation of 25 gr
vampirchik [111]

Answer:

(a) between 300 grams and 350 grams  (b) 95%  (c) 5%  (d) 83.85%

Step-by-step explanation:

We have that \mu = 325 grams and \sigma = 25 grams. Let's compute the following figures to use the empirical rule

\mu + \sigma  = 325 + 25    = 350  

\mu + 2\sigma = 325 + 2(25) = 375  

\mu + 3\sigma = 325 + 3(25) = 400  

\mu - \sigma  = 325 - 25    = 300  

\mu - 2\sigma = 325 - 2(25) = 275  

\mu - 3\sigma = 325 - 3(25) = 250  

using the image below that was made it with help of the empirical rule we find the next figures

(a) About 68% of organs will be between 300 grams and 350 grams

(b) 95% of organs weights between 275 grams and 375 grams

(c) 5% of organs weights less than 275 grams or more than 375 grams

(d) 83.85% of organs weights between 300 grams and 400 grams

5 0
3 years ago
Someone help me please
laila [671]

Answer:

37°

Step-by-step explanation:

You can see it is a right angle. Do 90-AOB angle=BOC angle.

4 0
3 years ago
Which is NOT a true statement?
rusak2 [61]

Answer:

option 4

Step-by-step explanation:

|a| represents Absolute value, it is the distance from zero that a number is on the number line. And we know distance cannot be negative.

So,

|a| = a

|-a| = a\\\\| \frac{-a}{b}| = \frac{a}{b}\\\\|\frac{a}{-b}| = \frac{a}{b}

6 0
3 years ago
Read 2 more answers
31/8 as a mixed number?
Katyanochek1 [597]
\frac{31}{8}=\frac{24}{8}+\frac{7}{8}=3+\frac{7}{8}=\boxed{3 \frac{7}{8}}
5 0
3 years ago
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Find the perimeter of the figure below. <br><br> A) 42.1<br> B) 74.0<br> C) 84.2<br> D) 94.4
Andru [333]
The answer is C 84.2
6 0
4 years ago
Read 2 more answers
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