<===={ANSWER}====>

1.) P(z>1.36)

= 1- P(z<1.36)

≈ 1-0.913085 ≈ 0.086915

2.) P(z<2.45)

≈ 0.992857

3.) P(1.2<z<1.14)

=P(z<1.4) - P(z<1.2)

≈ 0.9192433 - 0.8849303 ≈ 0.034313

4.) P(-2.75<z<-0.56)

= P(z<-0.56) - P(z<-2.75)

≈ 0.2877397 - 0.0029798 ≈ 0.284760

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