Developing Theoretical Probability Distributions, Expected Value
Statistics and Probability · Flashcards · Recall
STATISTICS AND PROBABILITY · FLASHCARDS
Card 1
of 14
0 got it
0 to review
Current
Got it
Still learning
Not seen
QUESTION
State the expected value for
X
∼
Binomial
(
n
,
p
)
X\sim\text{Binomial}(n,p)
X
∼
Binomial
(
n
,
p
)
.
QUESTION
What is the expected value of a constant random variable
X
=
c
X=c
X
=
c
?
QUESTION
State the expected value formula for
X
∼
Binomial
(
n
,
p
)
X\sim\text{Binomial}(n,p)
X
∼
Binomial
(
n
,
p
)
.
Tap to flip before you grade
ANSWER
E
(
X
)
=
n
p
E(X)=np
E
(
X
)
=
n
p
. Mean of binomial distribution is number of trials times success probability.
Swipe → got it · swipe ← still learning
Got it
Still learning
Flip Card
Previous card
Next card