In: Statistics and Probability
Cumulative area to the left:
P (z < 1.20) =
P (z < -1.09) =
P (z < 2.34) =
Cumulative area to the right:
P (z > 1.23) =
P (z > -2.05) =
P (z > 3.50) =
Subtracting cumulative areas:
P (-1.23 < z < 1.23) =
P (1.55 < z < 2.25) =
P (-3.50 < z < 2.50) =