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Mathematics, 02.06.2021 08:10, jaceechesick
A teacher is choosing two helpers from a class of 25 students. How many different pairs of students can the teacher choose?
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Answers: 2
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Mathematics, 21.06.2019 20:50, kidpryo1
There are three bags: a (contains 2 white and 4 red balls), b (8 white, 4 red) and c (1 white 3 red). you select one ball at random from each bag, observe that exactly two are white, but forget which ball came from which bag. what is the probability that you selected a white ball from bag a?
Answers: 1
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A teacher is choosing two helpers from a class of 25 students. How many different pairs of students...
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