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Kryger [21]
4 years ago
14

Ratio as a fraction in lowest terms $100:$90

Mathematics
1 answer:
OleMash [197]4 years ago
5 0
The ratio of the fraction in lowest terms is 10:9

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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
What is the answer to 43.26 ÷ 14​
slamgirl [31]

Answer:

3.09

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Please please please help me with this. I can't remember how to work this problem out. If someone could explain to me how to do
RideAnS [48]
If the two triangles are congruent it means that their side lengths are equal, so we can assume that x = 3x - 8 and so 2x = 8 and x = 4. Hope that helps :)
6 0
4 years ago
Can you help me please?
djyliett [7]

Answer:

A

Step-by-step explanation:

since gallons of gas and distance never negative

4 0
4 years ago
Can somebody help meh? reeeeeeeeee
Juli2301 [7.4K]

Answer:

A. 200 miles/hour

Step-by-step explanation:

600 divided by 3, since division is the opposite of multiplication we can multiply:

3 X 150 = 450

3 X 50   = 150

we can add 150 and 50 together to get 200 and that's your answer

5 0
4 years ago
Read 2 more answers
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