Question

istion Help Find the indicated 2-score shown in the graph to the right Click to view.page 1 of the table Click to view page 2 of the table The 2-score is (Round to two decimal places as needed)

$z=0.72$

Answer 1

Ansa:

P(Z<z)=0.3226

value of z is obtain from standard normal table using excell =NORMSINV(0.3226)

ie z= -0.46

Ansb:

area of shaded region is

P(Z<0.72)=0.7642

alue of z is obtain from standard normal table using excell=NORMSDIST(0.72)