Area of shaded region is 0.3554.
What is an area in math?
The area is the region bounded by the shape of an object. The space covered by the figure or any two-dimensional geometric shape, in a plane, is the area of the shape.
Question:1)
z ~ N(0,1)
The shaded standard normal is
P(-3.02 < Z < 4.52)
= P(Z < 4.52) - P(Z < -3.02)
= 0.9999 - 0.0013
= 0.9986
Area of shaded region is 0.9986
Question:2)
P(-1.46 < Z < 0.84)
= P(Z < 0.84) - P(Z < -1.46)
= 0.7995 - 0.0721
= 0.7274
Area of shaded region is 0.7274
Question:3)
P(Z < 0.3707) = 1 - P(Z < 0.3707)
= 1 - 0.6446
= 0.3554
Area of shaded region is 0.3554
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