#### Answer

0.1587.

#### Work Step by Step

$z=\frac{value-mean}{standard \ deviation}=\frac{85-100}{15}=-1.$ Using the table, the value belonging to -1: 0.1587.

Published by
Pearson

ISBN 10:
0321836960

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

0.1587.

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