Ask a New Question
Search
For X ∼ Poi(λ), show that E(X) = λ and V ar(X) = λ. (Hint: Find E[X(X − 1)] = E(X2
) − E(X).)
Ask a New Question
or
answer this question
.
Similar Questions
What is the slope of the line represented by the table of values? (HINT: There are two videos below that show how to find
1 answer
The table of values shows a linear relationship between `x` and `y`.
x:−7, −2, 3, 8 y:9,1 ,−7,−15 What is the slope of
1 answer
lets play a game: guess my fave tv show!
first hint?
11 answers
A rectangular garden has a walkway surrounding it that is 4 feet wide (a uniform width of 4 feet). The garden’s dimensions are
2 answers
more similar questions