TVD2468 TVD2468

02-05-2018
Mathematics

contestada

A bag has 10 marbles and 4 are black. Joseph picks 2 marbles without replacing the first. What is the probability that both are black?

Respuesta :

FallenKnight FallenKnight

02-05-2018

If there are 10 marbles in total then the probability is 2/10

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