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
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