Using Normal Distributions to Estimate Populations
Statistics and Probability · Flashcards · Recall
STATISTICS AND PROBABILITY · FLASHCARDS
Card 1
of 28
0 got it
0 to review
Current
Got it
Still learning
Not seen
QUESTION
What percentage of data is within
3
σ
3\sigma
3
σ
of the mean in an approximately normal distribution?
QUESTION
What does the notation
Φ
(
z
)
\Phi(z)
Φ
(
z
)
represent in normal distribution tables?
QUESTION
What is the mean and standard deviation of the standard normal distribution?
Tap to flip before you grade
ANSWER
Mean
0
0
0
, standard deviation
1
1
1
. Standard normal is centered at 0 with unit spread.
Swipe → got it · swipe ← still learning
Got it
Still learning
Flip Card
Previous card
Next card