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Serga [27]
2 years ago
7

On the first 7 statistics tests of the semester, Jamal

Mathematics
1 answer:
lubasha [3.4K]2 years ago
3 0
Balls are good that’s the answer
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Big math test I need help if I don’t I fail
Anuta_ua [19.1K]
5 give Brainly then I’ll help with all the other ones
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2 years ago
Convert 6% to an equivalent decimal​
Burka [1]

Answer:

0.06

Step-by-step explanation:

8 0
3 years ago
Assume X and Y are independent random variables with the following distributions:
allsm [11]

Answer:

Step-by-step explanation:

Given that X and Y are independent random variables with the following distributions:

x -1 10 1 2 Total

p 0.3 0.1 0.5 0.1 1

xp -0.3 1 0.5 0.2 1.4

x^2p 0.3 10 0.5 0.4 11.2

Mean of X = 1.4

Var(x) = 11.2-1.4^2 =  9.24    

     

y 2 3 5  

p 0.6 0.3 0.1  1

yp 1.2 0.9 0.5 0 2.6

y^2p 2.4 2.7 2.5 0 7.6

Mean of Y = 2.6

Var(Y) = 11.2-1.4^2 =  0.84

3) W=3+2x

Mean of w =3+2*Mean of x = 7.2

Var (w) = 0+2^2 Var(x)= 36.96

8 0
3 years ago
A) x ^ 2 + 2x???????????
Shalnov [3]

Step-by-step explanation:

x² + 2x

x(x + 2)

<u>OR</u>

x² + 2x = 0

x(x + 2) = 0

x = 0 or x + 2 = 0

x = 0 or x = - 2

3 0
3 years ago
If f(x) = 3X + 10 and g(x) = 2x – 4, find (f- g)(x).
svetoff [14.1K]
So (f-g)(x) is f(x)-g(x) so you have

(3x+10)-(2x-4)

Distribute the negative in to the 2x-4 to get

3x+10-2x+4

Then combing like terms you have

3x-2x+10+4

And then that gives you

x+14

So (f-g)(x)=x+14

Hope this helps!! Mark as brainliest!!!!
7 0
2 years ago
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