Answer:
The expected value of random variable X is often written as E(X) or µ or µX.
Step-by-step explanation:The expected value is the 'long-run mean' in the sense that, if as more and more values of the random variable were collected (by sampling or by repeated trials of a probability activity), the sample mean becomes closer to the expected value.
Answer:

Step-by-step explanation:
Answer:
V = 6 in ^3
Step-by-step explanation:
The formula for volume is
V = Bh where B is the area of the base
The base is a triangle and the height is 2 inches
B = 1/2 bh where b is 3 and h is 2
B =1/2 (3)*2 = 3 in^2
V = 3 *2
V = 6 in ^3
Answer:
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Step-by-step explanation:
Answer: -920
Step-by-step explanation:
-447 - 473 = -920
In this case, smaller means more negative