a box contains 6 red balls, 4 yellow balls and 2 green balls. the colours of the balls are mutually exclusive. what is the probability that when a ball is is dr
Matematika
juju67
Pertanyaan
a box contains 6 red balls, 4 yellow balls and 2 green balls. the colours of the balls are mutually exclusive. what is the probability that when a ball is is drawn.
a) the ball is red
b) either yellow or green
a) the ball is red
b) either yellow or green
1 Jawaban
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1. Jawaban ullygultom
6 red
4 yellow
2 green
a) probability of the red balls
[tex] \frac{6}{12} = \frac{1}{2} [/tex]
b) probability either yellow or green
[tex] \frac{4}{12} + \frac{2}{12} = \frac{6}{12} = \frac{1}{2} [/tex]