An expected value is the same thing as the mean. I use the example in class that LeBron James scores a mean of 27.4 points per game. That is the same thing as saying that each game he expects to score 27.4 points. So the expected value and the mean are the same thing.
Around 7:30-:54 ,you said, “minus the expected value,” when it should’ve been minus the mean? Right?
An expected value is the same thing as the mean. I use the example in class that LeBron James scores a mean of 27.4 points per game. That is the same thing as saying that each game he expects to score 27.4 points. So the expected value and the mean are the same thing.
In the standard deviation formula you forgot to put the subscript in p
Really like your explanations
You do not need a subscript