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OpenStudy (jojo12g):
Determine the sum of the given probabilities. Are the events complementary? P(gold) = 4/11 ; P(silver) = 7/11 A. 1 The events are complementary. B. 1 The events are not complementary. C. The events are complementary. D. The events are not complementary.
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OpenStudy (jojo12g):
i think a
OpenStudy (anonymous):
seems like it they add up to one for sure
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