Question

1. To the left of z= -1.66

2.to the left of z=1.47

3.to the right of z=2.52

4.to the right of z= -1.75

5.between z=1.5 and 2.76

Answer 1

1) $P(Z<-1.66)=0.0485.$

2) $P(Z<1.47)=0.9292.$

3) $P(Z>2.52)=0.0059.$

4) $P(Z>-1.75)=0.9599.$

5) $P(1.5<Z<2.76)=0.0639.$