odunzedoris odunzedoris

22-08-2021
Mathematics

contestada

A bag contains 15 white balls and 10 black balls,another contains 20 white balls and 15 white balls.if two balls are drawn without replacement from each bag,find the probability that
a)all four are black
b)exactly one of the four are white

Respuesta :

nepalikausal4 nepalikausal4

22-08-2021

Answer:

exactly one of the four are white

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