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poizon [28]
3 years ago
6

There are 487 students using a chromebook 448 students not using a chromebook.What is the probability that a student is Not usin

g a chromebook?
Mathematics
2 answers:
gtnhenbr [62]3 years ago
8 0

Answer:

The answer is 92%

Step-by-step explanation:

448/487=.92

balu736 [363]3 years ago
8 0

Add the two groups together for total students:

487 + 448 = 935 total students.

The probability of not using a chrome book is the number of students not using one / total students.

Probability of not using a chromebook = 448/935

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What is the mean absolute deviation of the data: 10, 20, 15, 17, and 13?
Rufina [12.5K]

Answer:

2.8

Step-by-step explanation:

1) find the mean of the data set. = 15

2) find the abs value of the diff between each data value and the mean: |data value – mean|.

|10-15|=5, |20-15|=5, |15-15|=0, |17-15|=2, |13-15|=2

3) find the sum of the abs values of the diff = 14

4) divide the sum of the abs value by the number of data values = 14/5 = 2.8

5 0
3 years ago
Evaluate when a = 8 and b = 4. <br><br> ab^2<br> a−b
eduard
<span>Evaluate when a = 8 and b = 4. 

ab^2
a−b


 ab² = (8)(4)² = 8*16= 128

a - b = 8 - 4 = 4 
</span>
3 0
3 years ago
Does the chart below represent a proportional relationship? What is the rate of change?
Lilit [14]

This chart represents a proportional relationship. The rate of change will be 4.

<h3>What is the constant of proportionality?</h3>

Firstly, there is a proportional relationship.

Two values x  and y are said to be in a proportional relationship if x=ky, where x and y are variables and k is a constant.

The constant k is called the constant of proportionality.

Given;

x y

1 4

2 8

3 12

4 16

Here, x = ky

put the first value

k = 1/4

This chart represents a proportional relationship.

So the rate of change will be

Rate = \dfrac{y_2 - y_1}{x_2 - x_1}\\\\Rate = \dfrac{8 - 4}{2 - 1}\\\\Rate = 4

Learn more about proportional ;

brainly.com/question/20048815

#SPJ1

5 0
2 years ago
Factor each polynomial (1)64-40ab
nikklg [1K]
<span>64-40ab
=8(8-5ab)
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5 0
3 years ago
the base of the pyramid in the diagram is a regular hexagon. The length of each side of the hexagon is 6 ft and the height of th
miss Akunina [59]

Answer:

The volume of the pyramid is V=187\ ft^{3}

Step-by-step explanation:

we know that

The volume of the pyramid is equal to

V=\frac{1}{3}BH

where

B is the area of the base of the pyramid

H is the height of the pyramid

we have

B=93.5\ ft^{2}

H=6\ ft

substitute

V=\frac{1}{3}(93.5)(6)=187\ ft^{3}

5 0
3 years ago
Read 2 more answers
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