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frozen [14]
2 years ago
14

BRAINLIEST!!PLEASE HELP ME!!

Mathematics
2 answers:
natima [27]2 years ago
8 0

s =  4p + 4q

s  - 4p = 4q

\dfrac{s - 4p}{4}=\text{q}

You have the correct answer, or at least all three of us have the same answer.

Arisa [49]2 years ago
7 0

The answer is a. You have the correct one highlighted I believe.

Hope this helps.

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rodikova [14]

Answer:

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B= 3.0       0.5

C= 2.0       0.2

D= 1.0        0.08

F= 0.0       0.02

______________

Total          1.00

The expected value of a random variable X is the n-th moment about zero of a probability density function f(x) if X is continuous, or the weighted average for a discrete probability distribution, if X is discrete.

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E(X) = \sum_{i=1}^n X_i P(X_I)

And if we replace the values that we have we got:

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