Find a Solution to the Equation Using the Value Given

question 34

Multiple Choice

Find a solution to the equation using the value given for x.
-y = 4x + 7; x = -2

• A) (-2, -18)
• B) (-2, -1)
• C) (-2, 11)
• D) (-2, -22)

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Definitions:

Expected Value

The long-run average value of repetitions of the experiment it represents, computed as the weighted average of all possible values.

Poisson Random Variable

Represents the number of events occurring in a fixed interval of time or space, assuming that these events happen with a known constant mean rate and independently of the time since the last event.

Random Variable

A variable whose possible values are numerical outcomes of a random phenomenon, used in probability and statistics to model randomness.

Expected Value

The anticipated value of a variable, calculated as the sum of all possible values each multiplied by the probability of its occurrence.