ESS210B
Prof. Jin-Yi Yu
Another Example
q
Example 2: What is the probability that Z lies between the limits Z
1
=-0.60
and Z
2
=0.75?
q
Answer:
q
P(Z
£
-0.60) = 1
-
P(Z < 0.60)
è
P(Z
>-0.60)=1
-
0.7257=0.2743
q
P(-0.60
£
Z
£
0.75) = P(Z
£
0.75)
-
P(Z
£
-0.60)
q
= 0.7734
-
0.2743
q
= 0.4991
negative value