Question

View by 21 Find the area of the shaded region. The graph to the right depicts IQ scores of adults, and those scores are normally distributed with a mean of 100 and a standard deviation of 15. Click to view page 1 of the table Click to view page 2 of the table The area of the shaded region is (Round to four decimal places as needed) Enter your answer in the answer box here to search

Answer 1

(и кино Zscore a X-4 95 120 Given mean la oa loo 15 15 P195<x<120) Prxx 120 ) - P(x295) z Plze XY ) - P1 Z2 X) | = P(Z< 128700) - P( 22 685-70) =P(Z < 1.33 ) - PZL -0.33 ) using z-table Plz21.33)= 0.4092 Prze -0.33) = 0.3707 75 p(95<a<120) = 0.9082 - 0.370 7 PC95<x< 120) = 0.5345 The area of the shooded region is 0.5375