#### Answer

the event does not occur

#### Work Step by Step

The probability of an event occurring at least once is equal to 1 minus the probability that ___________________.
P(event happening at least once) = 1 - P(event does not happen)

Published by
Pearson

ISBN 10:
0321867327

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

the event does not occur

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