#### Answer

0.9772.

#### Work Step by Step

$z=\frac{value-mean}{standard \ deviation}=\frac{70-100}{15}=-2.$ Using the table, the value belonging to -2: 1-0.0228=0.9772.

Published by
Pearson

ISBN 10:
0321836960

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

0.9772.

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