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3 years ago

How are central tendency and standard deviation related to understanding probability distributions

Mathematics

1 answer:

Shalnov [3]3 years ago

5 0

Answer:

Central tendency and standard deviation both require mutual understanding of the proletariat functions of the hypothetical parabola, which in turn creates a non-linear function between both of the various data sets. Also, they create the basis for totalitarian graphing sets because complex theorems are infinite.

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Assume a standard deck of 52 cards is being used. Find the possible way 2 black cards can be chose

GREYUIT [131]

We know there are 4 suites the deck can be divided into, and two of the 4 are black. So you divide 2/4, and get 1/2. So the probability that a black card will be chosen is 1/2.

7 0

3 years ago

Find the slope of a line perpendicular to <br><br> Y= -x -1

ad-work [718]

<h2>Greetings!</h2>

Answer:

The slope is 1.

Step-by-step explanation:

First, we must find the slope of the current equation.

This is the number in front of the x.

Seeing as this is -x, or -1x, the slope of this line is -1

When finding the slope of a line perpendicular, you need to find the $\frac{-1}{slope}$

So, in this case it is:

$\frac{-1}{-1}$

The minuses cancel out, leaving with 1 over 1 or 1/

So the slope of the line perpendicular is 1!

<h2>Hope this helps!</h2>

8 0

3 years ago

Anna and Bobie joined two different swimming classes at the same time.

jeyben [28]

Answer:

It would be 10 months for the price of $320.

Step-by-step explanation:

First we need to find how much Anna's swimming charge and Bobie's charge is.

PA=70+t The price of the month equals to the starting fee and monthly charge

120=70+2t The price of 2 months times the monthly charge

50=2t

25=t is Anna's monthly charge

PB=250+t is Bobies starting price and monthly charge

264=250+2t is the month charge for Bobie after 2 months

14=2t

7=t is Bobie's monthly charge

70+25x=250+7x We need to find x which is what month will satisfy both equations

25x=180+7x Subtract 70 from both sides

18x=180 Subtract 7x from both sides

x=10 divide 18 from both sides

Now we have the months that satisfy both equations we need to find the total price that matches with it. So we plug it back into both equations.

PA=70+25x PB=250+7x

PA=70+25(10) PB=250+7(10)

PA=70+250 PB=250+70

PA=320 PB=320

6 0

3 years ago

Read 2 more answers

What is the average rate of change of y=cos(2x) on the interval 0 pi/2?

Snezhnost [94]

Jesus is the answer to this

7 0

3 years ago

Read 2 more answers

For what value of x would the expression below be undefined? 2x − 15 x + 9

Naddik [55]

Hey there!

I'm assuming your expression is actually $\frac{2x - 15}{x + 9}$ . If it's not, let me know and I'll be happy to help you out further.

If x were equal to –9, your expression would be undefined. If you solve it with this value plugged in for x, you will get the following:

$\frac{2x - 15}{x + 9}$

$\frac{2(-9) - 15}{(-9) + 9}$

$\frac{-18 - 15}{0}$

$\frac{-33}{0}$

$error$

You can't divide anything by zero. This expression would be undefined if x were –9 since it makes the denominator zero. Therefore, x ≠ –9.

Hope this helped you out! :-)

7 0

3 years ago