Hi,
Can anyone help?
Thanks!
31- #30
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it's a dependent probabability question.
Let the total no be x.
If probability that both picked blue is 6/11, then the equation is
9/x + 8/(x-1) = 6/11
solving it, you get x = 12.
Let the total no be x.
If probability that both picked blue is 6/11, then the equation is
9/x + 8/(x-1) = 6/11
solving it, you get x = 12.