σ
CalcPath
Modules
Practice
Dashboard
Search...
Sign in
Sign in
Get started
Discrete Probability Distributions
Random variables, PMFs, expected value, binomial, Poisson, and geometric distributions.
0/42 mastered
1 / 42
A fair die is rolled. What is the expected value
E
(
X
)
E(X)
E
(
X
)
?
Random variables and expected value
Your answer
Draw
Hint
( )
x
n
√
⌫
AC
7
8
9
+
4
5
6
−
1
2
3
×
0
.
a
b
Check
÷
Q1
All topics