IBHardProbability5–6

A box holds $12$ chocolates: $5$ dark, $4$ milk and $3$ white. Two white chocolates are eaten first. What is the probability that a chocolate then taken at random is dark?

Uma caixa tem $12$ chocolates: $5$ pretos, $4$ de leite e $3$ brancos. Primeiro, comem-se dois chocolates brancos. Qual é a probabilidade de um chocolate tirado depois ao acaso ser preto?

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Solution

Step 1 of 3

1.Chocolates left: $12 - 2 = 10$

A box holds 121212 chocolates: 555 dark, 444 milk and 333 white. Two white chocolates are eaten first. What is the probability that a chocolate then taken at random is dark?

Answer options

A box holds $12$ chocolates: $5$ dark, $4$ milk and $3$ white. Two white chocolates are eaten first. What is the probability that a chocolate then taken at random is dark?