#### Answer

a) 21.2 dollars b)10 dollars

#### Work Step by Step

a) The reasonable mean is approximately 21.2 dollars. b) The reasonable standard deviation is approximately 10 dollars.

Published by
Pearson

ISBN 10:
0-32192-459-2

ISBN 13:
978-0-32192-459-9

a) 21.2 dollars b)10 dollars

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