#### Answer

$\frac{1}{29}$

#### Work Step by Step

If the odds against event E are a to b, then the probability of the event is given by
P(E) =$\frac{b}{a+b}$
The odds against deep-vein thrombosis are 28 to 1.
P(E) = $\frac{1}{28+ 1}$ = $\frac{1}{29}$

Published by
Pearson

ISBN 10:
0321867327

ISBN 13:
978-0-32186-732-2

$\frac{1}{29}$

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