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erica [24]
4 years ago
9

​Claim: Most adults would erase all of their personal information online if they could. A software firm survey of 685 randomly s

elected adults showed that 61​% of them would erase all of their personal information online if they could. Find the value of the test statistic.
Mathematics
1 answer:
jek_recluse [69]4 years ago
6 0

Answer:

417 is the number of adults that would erase their personal information online if they could, they are the 61%. The complete number is 417,85, but we have to adjust the answer for people.

Step-by-step explanation:

To find the answer we need to do a Rule of Three. The Rule of Three is a Mathematical Rule that will help us to solve problems based on proportions.

1. I know that a 685 adults were surveyed, so this is the 100%. 61% say they would erase all of their personal information online if they could, and we don't know the numbre of people in here.

2. So 685 adults _____ 100%

            X adults  _____ 61%

Here we have to put the same elements in the same columns. Students with studients and percentage with percentage.

3. Now I have to cross these details. I have to multiple 61*685. So:

61*685= 41785

4. Then divide that result by 100.

41785/100= 417,85

5. So 417 is the total number of adults that would .

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musickatia [10]

Answer:

7/360

Step-by-step explanation:

7/3/100 x 5/6

7/300 x 5/6

7/60 x 1/6

= 7/360

6 0
3 years ago
Which expression is not equivalent to the other expressions?
emmainna [20.7K]

-4(3x + 6) is not equivalent to other expressions

<em><u>Solution:</u></em>

Let us use the distributive property to get the equivalent expression

<em><u>Distributive property is represented as:</u></em>

a(b + c) = ab + ac

<h3><u>First expression:</u></h3>

-6(2x - 4) = (-6 \times 2x) + (-6 \times -4) =  -12x + 24

<h3><u>Second expression:</u></h3>

Using distributive property,

-(12x - 6) + 18 = -12x + 6 + 18 = -12x + 24

<h3><u>Third expression:</u></h3>

Solve the expression using distributive property

-3(4x-3) + 15 = ((-3 \times 4x)+(-3 \times -3)) \\\\-3(4x-3) + 15= -12x + 9 + 15 \\\\-3(4x-3) + 15=-12x + 24

<h3><u>Fourth expression:</u></h3>

-4(3x + 6)= -4 \times 3x + -4 \times 6\\\\-4(3x + 6)= -12x -24

Thus fourth expression is not equivalent to other expressions

3 0
3 years ago
What is the least number of plums that can be shared equally among 6 9 or 12 children
ehidna [41]

In order to find the least number of plums that can be shared, we have to find the greatest common factor of 6 ,9 and 12.

The greatest common factor of 6 , 9 and 12 is 3.

so if we have three plums.

For 6 children , we have 3 plums. So we can give half a plum to each child.

For 9 children , we have 3 plums. So we can give one third plum to each child.

For 12 children, we have 3 plums. So we can given one-fourth plum to each child.

This is how we can divide 3 plums equally among 3, 6 and 12 children.

7 0
4 years ago
Interest on $5,255 at 12 percent for 30 days (use 360 days) is:​
Brums [2.3K]

Answer:

$52.55

Step-by-step explanation:

I=(5255×12×30/360)/100

I=(5255×12×1/12)/100

I=5255/100=52.55

8 0
4 years ago
T = L(8 + RS)<br> Solve for R
Eddi Din [679]

Answer:

Step-by-step explanation:

T=L(8+RS)

T=L8+LRS

T-L8=LRS

R=T-L8/LS

6 0
4 years ago
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