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:
answers and work are shown below:)
Step-by-step explanation:
A=<span><span><span>−4</span>b</span>+<span>7 hope this helps</span></span>
Answer:
The answer is B
Step-by-step explanation:
I got a 100% on the quiz