A bag contains 4 Red, 5 Black and 2
Green beads.
A bead is taken at random, its color is
noted and is replaced.
A second bead is taken.
Find the probability of taking two green
beads.

Respuesta :

Answer:

[tex]P( 2 \ green ) = \frac{4}{121}[/tex]

Step-by-step explanation:

[tex]Probability \ of \ green \ i n \ the \ first \ try = \frac{2C_1}{11C_1} = \frac{2}{11}\\\\Probability \ of \green \ i n \ the \ Second \ try = \frac{2C_1}{11C_1} = \frac{2}{11}\\\\Probability \ of \ 2 \ green = \frac{2}{11} \times \frac{2}{11 } = \frac{4}{121}[/tex]