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OpenStudy (anonymous):
Ursula draws a marble from the bag randomly without looking. She then draws another marble from the bag without replacing the first one. Which expression shows the probability of drawing black marbles in both the trials? 10 over 16 added to 9 over 16 10 over 16 added to 9 over 15 10 over 16 multiplied by 9 over 16 10 over 16 multiplied by 9 over 15
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OpenStudy (anonymous):
OpenStudy (anonymous):
@Hoe @hotguy
OpenStudy (anonymous):
its b because both sides must go down because there is one less marble total and one less black marble
OpenStudy (anonymous):
medal and mention me for help
OpenStudy (anonymous):
@liana1026 read above
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