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OpenStudy (anonymous):
A bag contains 20 checkers -- 10 red and 10 black. Find the probability of selecting 2 black checkers when they are chosen at randon with replacement. Determine whether the event is dependent or independent.
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OpenStudy (anonymous):
@FibonacciChick666
OpenStudy (fibonaccichick666):
what's the chance 1st pull?
OpenStudy (anonymous):
1/2
OpenStudy (anonymous):
small rant: an event cannot be dependent or independent dependent or independent is relation between two events
OpenStudy (fibonaccichick666):
good, now second pull?
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OpenStudy (anonymous):
1/4 then and independent since it doesn't matter since its being replaced 1/2*1/2=1/4
OpenStudy (fibonaccichick666):
yup, you got it
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