Math, asked by Devanandh2845, 7 months ago

An urn contains 6 white ball and 4 black balls ,3 ball are drawn without replacement .what is the expected number of black b
alls that will be obtained

Answers

Answered by rohitpanday1101

0

Answer:

4/6+4= 4/10 ans or it can be 2/5

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