solution:given that
mean = = 100
standard deviation = = 15
p(75<z<120)=p(75-100/15<z<120-100/15)
=p(-1.67<z<1.33)
=p(z<1.33)-p(z<-1.67)
=0.9028-0.0475
=0.8553
shaded area =0.8553
Find the area of the shaded region. The graph to the right depicts IQ scores of...
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