FIND THE PROBABILITY OF CHOOSING A BLUE MARBLE THEN RED MARBLE IF THE MARBLES ARE NOT REPLACED
there are 4 white 3 blue and 5 red marbles
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OpenStudy (anonymous):
Hey i can answer it one moment
OpenStudy (newarf):
ok please
OpenStudy (anonymous):
Is it multiple choice?
OpenStudy (newarf):
yes
5/44
15/35
2/3
1/15
OpenStudy (anonymous):
The question is abit misleading are you sure that is how its written?
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OpenStudy (newarf):
yes
OpenStudy (anonymous):
Sorry im not too sure of the answer
OpenStudy (anonymous):
@supersmart1001 Can you help?
OpenStudy (mathstudent55):
The probability of choosing an item is the number of items you are interested in divided by the total number of items.
When you have two drawings, you multiply the probabilities.
OpenStudy (mathstudent55):
For the first drawing, you want a blue marble.
How many blue marbles are there?
How many total marbles are there?
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OpenStudy (mathstudent55):
@newarf Are you here now?
Do you still need help with this question?
OpenStudy (newarf):
yes I still do @mathstudent55
OpenStudy (mathstudent55):
If you still need help, answer my questions above. Then we will continue.