Share
Explore BrainMass

probabilities

Find the indicated probabilities

1. P(z < 1.28)

2. P(z > -0.74)

3. P(-2.15 < z < 1.55)

4. P (0.42 < z <3.15)

Solution Preview

1. P(z < 1.28)

We can look up the z-table to get
P(z < 1.28)=0.8997

2. P(z > -0.74)

We can look up the z-table to get
P(z < ...

Solution Summary

It shows how to calculate the probability using z-table.

$2.19