kigDougreen kigDougreen

01-11-2016
Mathematics

contestada

An urn contains 4 black balls and 6 white balls. What is the probability of getting 1 black ball and 1 white ball on two consecutive draws from the urn?

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nanahenny791 nanahenny791

05-11-2016

4+6+1=11
use i.e. fingers or use a calculated

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