#### Answer

119

#### Work Step by Step

By using the table, the z-score belonging to the area 0.9: z=1.28. $IQ=mean+z\cdot(standard \ deviation)=100+1.28 \cdot 15=100+19.2=119.2\approx119.$

Published by
Pearson

ISBN 10:
0321836960

ISBN 13:
978-0-32183-696-0

119

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