Mathematics, 13.06.2020 13:57 elistopchaniuk
a bag contains 9 counters 4 of the counter are blue 2 counter are taken out of bag at random calculate the probability that at least one of the two counter is blue
Answers: 2
a bag contains 9 counters 4 of the counter are blue 2 counter are taken out of bag at random calcula...
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