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3 years ago

Lets talk qaurantine got me mad sad

Mathematics

2 answers:

zmey [24]3 years ago

8 0

Answer:

Step-by-step explanation:

quarantine sucks I just want to hang out with friends. ALSO yes I am aware that this question was asked last month but that's okay.

Mkey [24]3 years ago

3 0

Ayo explain why freedom is important to you haha

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The standard deviation for a set of data is 7.5. The mean is 235. What is the margin of error?

blondinia [14]

The margin of error is 0.97849

we are given

mean=235

so,

$n=235$

standard deviation =7.5

so,

$\sigma=7.5$

we know that

ME=2*standard error

and

$SE=\frac{\sigma }{\sqrt{n} }$

If confidence level is 95%, then we can multiply by 1.96

so, we can multiply by 2 to get ME

now, we can use marginal error formula

$ME=\frac{2\sigma }{\sqrt{n} }$

now, we can plug values

and we get

$ME=\frac{2\times 7.5 }{\sqrt{235} }$

$ME=0.97849$

7 0

3 years ago

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Select the correct choices to complete the sentence. Three drivers competed in the same fifteen drag races. The mean and standar

sweet [91]

Answer:

<h2> Driver B has the fastest race time</h2>

Step-by-step explanation:

From the options presented, driver B has the fastest typical race time because he recorded the smallest time taken to complete an individual race.

Also from the standard deviation given (3.96) for driver B, it shows that the individual time spread from the standard deviation is minimal and that the driver maintained a fairly consistent time of race throughout the racing period.

4 0

4 years ago

Amber has been working very hard and finally got a salary increase of 100%. She was earning $200 per week. How much is she earni

kogti [31]

Answer:

$400

Step-by-step explanation:

Given that:

Earnings per week for Amber = $200

Total increase in the salary as per Amber's hard work = 100%

To find:

Earnings of Amber now?

Solution:

We are given the initial salary and its percentage increase.

We have to find the increased value of salary.

Increase in the salary = 100% of $200

$\Rightarrow \dfrac{100}{100}\times \$200\\\Rightarrow \bold{\$200}$

Amber's Current salary = Initial salary + Increase in the salary

Putting the values of the initial salary and increase in the salary:

Amber's Current salary = $200 + $200 = <em>$400</em>

3 0

3 years ago

How to get answer to this question don’t really know how to?

Umnica [9.8K]

$3x+13=3(x+6)+1$
So just solve for x. First expand the right side by distributing.
$3x+13 = 3x+18+1$
Then, combine like terms.
$3x+13=3x+19$
$3x = 3x+6$
$0=6$

So we got 0 = 6 which is not true, meaning the equation has no solutions so the answer is option 1, zero.

5 0

2 years ago

The question is in the picture. will give brainilist.

sergeinik [125]

Value of y = 30 and value of x = 30.3

3 0

3 years ago

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