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Mathematics, 14.07.2019 05:10 sahaitong1844

Ashipment of 12 smartphones contains 7 with cracked screens. if sold in a random order, what is the probability that exactly 4 of the first 7 sold have cracked screens?

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Ashipment of 12 smartphones contains 7 with cracked screens. if sold in a random order, what is the...
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