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Mathematics, 28.08.2019 16:30 namoralessimon03
Adiamond can be classified as either gem-quality or industrial-grade. 80% of diamonds are classified as industrial-grade.
(a) if two diamonds are chosen at random, what is the probability that both diamonds are industrial-grade?
(b) if seven diamonds are chosen at random, what is the probability that all seven diamonds are industrial-grade?
(c) what is the probability that at least one of seven randomly selected diamonds is gem-quality? would it be unusual that at least one of seven randomly selected diamonds is gem-quality?
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Answers: 3
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Adiamond can be classified as either gem-quality or industrial-grade. 80% of diamonds are classified...
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