Jasten
30.09.2019 •
Mathematics
Abag has 5 red marbles, 6 black marbles and 4 blue marbles. what is the probability of picking a redmarble, replacing it, and then picking a blue marble?
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Ответ:
B = picking a blue marble
P(A * B) = (5/15)(4/15)
P(A * B) = 20/225 or 4/45
Ответ: