The Normal Distribution Flashcards
1
Q
What is the area under the curve equal to?
A
1
2
Q
What % are within the first deviation of the mean?
A
68%
3
Q
What % are within 2 deviations of the mean?
A
95%
4
Q
What % are within 3 deviations of the mean?
A
99.7%
5
Q
What is the cumulative distribution?
A
the left of x
(X<x)
6
Q
What is the area of the right equal to?
A
1-P(X<x)
7
Q
How is a normally distributed continuous variable represented?
A
X - N (u, o^2)
8
Q
What is u?
A
-the mean
9
Q
What is o^2?
A
-standard deviation squared
