5-
use normal distribution to solve problems 10 - 16
10. if z is a standard normal variable, find the probability p(-0.25 < z < 0.84).
submit diagram for normal distribution curve, shade area that determines probabilit
find it from z-table, and circle one of the multiple choice answers
(5 points)
a) 0.7995
b) 0.3982
c) 1.2008
d) 0.4013
11.
z is a standard normal variable find the probabilities of:
a) p(z < -0.55) =
(2 points)
b) p(0.25< z < 1.87) =
(3 points)
c) p(z > 1.87) =
(2 points)