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Charra [1.4K]
3 years ago
9

Refer to the completed table for the question referring to children’s shows. What is the marginal distribution of girls? Found y

our answer to the nearest tenth of a percent. Type a numerical answer in the space provided. Do not include % or spaces in your answer.

Mathematics
2 answers:
Ivanshal [37]3 years ago
8 0

Answer:

66.7

Step-by-step explanation:

scoundrel [369]3 years ago
5 0

Answer:

on the left middle it would be 50 or 50%

in the middle row on the bottom it would be 110 or 33%

on the left side top it would be 45 and also the same for the row below it or 17%

(I dont know if you wanted the percentages or the actual numbers)

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In a file of 10 records with 2 errors, 5 are examined. Let the random variable be the number of errors.​
emmasim [6.3K]
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8 0
3 years ago
If a data set haas a regression line equation of y=3x+15, what is the predicted values at x=2
nexus9112 [7]
X = 21
if you put in 2 for x you:
1. multiply 3 and 2 to get 6
2. and you then add 6 and 15

y = 3(2) + 15
y = 6 + 15
y = 21

hope it helps :)
6 0
4 years ago
Show work please :)
fgiga [73]

Answer:

60

Step-by-step explanation:

90/100 = 54

Cross multiplying:

100 * 54 / 90

5400/90

60

4 0
2 years ago
What property is 5+0=n
andre [41]

Assuming that you mean to put n instead of 5, this is demonstrating The Identity Property.


The identity property is the property that states that by adding 0 to a number, you don't change the value. For example, 510 + 0 = 510.

4 0
3 years ago
Subtract: (b^2 + 9 ab + 5a ) - ( 3b^2 -25ab + 1)
Brrunno [24]

Answer:

- 2b^2 + 34ab + 5a - 1

Step-by-step explanation:

<em>here's</em><em> your</em><em> solution</em>

<em>=</em><em>></em><em> </em><em>(</em><em>b^</em><em>2</em><em> </em><em>+</em><em> </em><em>9</em><em>a</em><em>b</em><em> </em><em>+</em><em> </em><em>5</em><em>a</em><em>)</em><em> </em><em>-</em><em> </em><em>(</em><em>3</em><em>b</em><em>^</em><em>2</em><em> </em><em>-</em><em> </em><em>2</em><em>5</em><em>a</em><em>b</em><em> </em><em>+</em><em> </em><em>1</em><em>)</em>

<em>=</em><em>></em><em> </em><em>b^</em><em>2</em><em> </em><em>+</em><em> </em><em>9</em><em>a</em><em>b</em><em> </em><em>+</em><em> </em><em>5</em><em>a</em><em> </em><em>-</em><em> </em><em>3</em><em>b</em><em>^</em><em>2</em><em> </em><em>+</em><em> </em><em>2</em><em>5</em><em>a</em><em>b</em><em> </em><em>-</em><em> </em><em>1</em>

<em>=</em><em>></em><em> </em><em>-</em><em> </em><em>2</em><em>b</em><em>^</em><em>2</em><em> </em><em>+</em><em> </em><em>3</em><em>4</em><em>a</em><em>b</em><em> </em><em>+</em><em> </em><em>5</em><em>a</em><em> </em><em>-</em><em> </em><em>1</em>

<em> </em><em> </em><em> </em><em> </em>

<em> </em><em> </em><em>hope</em><em> it</em><em> helps</em>

6 0
3 years ago
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