Question

Qual é a probabilidade de exatamente 5 alunos serem presenteados com lápis?
(2/3)5

5⋅ (2/3)
(2/3)5⋅ (1/3)2

(7 5)⋅ (2/3)2⋅ (1/3)5

(75) ⋅ (2/3)5 ⋅ (1/3)2
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Answer 1

Resposta:

7/5 . 2/3 ² . 1/3⁵

Answer 2

A Alternativa D

(7/5) . (2/3) ² . (1/3)⁵