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nuccioreggie
 one year ago
The table below shows the number of marbles of different colors in a bag:
Marble Experiment
Color of
Marbles Number of
Marbles
Red
1
White
5
Black
10
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
nuccioreggie
 one year ago
The table below shows the number of marbles of different colors in a bag: Marble Experiment Color of Marbles Number of Marbles Red 1 White 5 Black 10 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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nuccioreggie
 one year ago
Best ResponseYou've already chosen the best response.0@welshfella please help

nuccioreggie
 one year ago
Best ResponseYou've already chosen the best response.0thank you for coming really

welshfella
 one year ago
Best ResponseYou've already chosen the best response.0P(black first draw) = 10/16 p(black on 2nd draw) = 9/15 multiply these 2 probabolities

nuccioreggie
 one year ago
Best ResponseYou've already chosen the best response.0ok 1sec i am right now

welshfella
 one year ago
Best ResponseYou've already chosen the best response.0which one do you think it is?

welshfella
 one year ago
Best ResponseYou've already chosen the best response.0no need to work it out yes thats right D

nuccioreggie
 one year ago
Best ResponseYou've already chosen the best response.0ok can you help me with a cople more please @welshfella

welshfella
 one year ago
Best ResponseYou've already chosen the best response.0gotta go right now sorry
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