2 years ago

SOMEONW GIVE ME STEP BY STEP EQUATION I NEED TO SUBMIT THIS TONIGHT

Mathematics

1 answer:

8090 [49]2 years ago

8 0

Answer:

no answer. Because 8-4 is not equal to 12

Step-by-step explanation:

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QUESTION 3 of 10: Stock returns vary from year to year. The more variance a stock displays the greater the potential risk. These

Dahasolnce [82]

Answer:

The variance of these investment returns is 74

Step-by-step explanation:

Given:

Series = 10, 30, 15, 5, 20

To Find:

variance of a series = ?

Solution:

The variance of the series = $Var\left(X\right)=\sum _{i=1}^n\frac{\left(x_i-\bar{x}\right)^2}{n}$

$\bar{x} = \frac{10+30 +5+15 + 20}{5}$

$\bar{x} = \frac{80}{5}$

$\bar{x} =16$

Now $(x_i -\bar{x})^2 =$ $(10 -16)^2 + (30 -16)^2 + (5 -16)^2 +(15 -16)^2 +(20 -16)^2$

= $(-6)^2 + (14)^2 + (-11)^2 + (-1)^2+ (-4)^2$

= 36 + 196 +121 + 1+ 16

= 370

Now

$Var\left(X\right)=\frac{370}{5}$ = 74

6 0

2 years ago

Read 2 more answers

−5 − 5/3 HELP PLZ...............................

Hitman42 [59]

I hope this helps you

3 0

3 years ago

Read 2 more answers

Cuanto es un <br> feet en ce centimetros

r-ruslan [8.4K]

How much is 1 foot in 1 centimeters?
First we need to know:
1 foot = 12 inches
1 inch = 2.54 cm
Those are the things that we need to know beforehand.

Then, we can start converting.
= 1 ft * (12 in / 1 ft) * (2.54 cm / 1in)
= 30.48 cm

So 1 foot is just equal to 30.48 cm

4 0

2 years ago

8^3x=16^2x<br> Can you please solve this it is 8 to the power of 3x and 16 to the power of 2x

GarryVolchara [31]

Answer:

2000kkkkkkkkkkklllllk

3 0

1 year ago

69 rounded to the nearest ten

Svetach [21]

70......................

6 0

3 years ago