Answer
a. $P(z\gt-.98)$ = 1- 0.1635 = .8365
b.$P(-2.47\leq z \leq 1.29)$ = .9015 - .0068 = .8947
c. $P(0\leq z \leq 4.25 )$ =1-.5 = .5
d. $P(-5.36\leq z \leq 0 )$ =.5
e. $P( \gt 6.07)$= 1-1=0
f. $P(z \lt -5.27)$=0
Work Step by Step
see above