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Is the probability that Patty will answer all of the questio

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Is the probability that Patty will answer all of the questions on her chemistry exam correctly greater than 50%?
(1) For each question on the chemistry exam, Patty has a 90% chance of answering the question correctly.
(2) There are fewer than 10 questions on Patty's chemistry exam.
asked Jun 10, 2016 by Associate (163 points)

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2 Answers

-1
Both the statements are not sufficient to answere
answered Jun 10, 2016 by anonymous
-1
E
answered Jun 10, 2016 by anonymous
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