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Setler79 [48]
3 years ago
10

I will give brainiest if you help me with this

Mathematics
1 answer:
Afina-wow [57]3 years ago
4 0
C .)))))))))))

Thank me tomorrow when it’s right

- Harvard university professor
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Given the following probability distribution, what is the expected value of the random variable X? X P(X) 100 .10 150 .20 200 .3
Mekhanik [1.2K]

Answer:

d) 205

Step-by-step explanation:

<u><em>Step(i):-</em></u>

x             :   100      150      200      250      300

p(X=x)    :   0.10     0.20    0.30     0.30      0.10

<u>Step(ii):-</u>

Let 'X' be the discrete random variable

Expected value of the random variable

   E(X) = ∑ x P(X=x)

           =  100 X 0.10 + 150 X 0.20 + 200 X 0.30 +250 X 0.30 + 300 X 0.10

          =   205

<u>Final answer:</u>-

The expected value     E(X) = 205

5 0
4 years ago
V^2=-5 <br><br> How do you do this in the Quadratic Formula?
BartSMP [9]

Here is your answer

HOPE IT IS USEFUL

7 0
4 years ago
1. Find the common difference of the sequence: 31, 26, 21, 16, ...
hichkok12 [17]

Answer:

it is subtract 5

Step-by-step explanation:

8 0
4 years ago
Read 2 more answers
Help!?!?!?!??!?!?!?!?!??!
Sunny_sXe [5.5K]
24/k
Now, plug in 3 for k
24/3 = 8
Hope this helps!
7 0
3 years ago
Read 2 more answers
segment MN is shown. Point M is located at (7,6). Point N is located at (7,-4) What is the midpoint segment of MN
Luda [366]

Answer:

The midpoint of MN is <u>(7,1)</u>

Add the x coordinates 7+7=14 then you divide that by 2 giving you 7.

Then you add the y coordinates together 6+(-4)=2 then divide by 2 and that gives you 1. Therefore the answer is (7,1)

6 0
3 years ago
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