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OpenStudy (studybird123):
A box contains 12 green balls, 11 red balls, 7 white balls, and 10 black balls. What is the probability of drawing a black ball from this box?
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OpenStudy (studybird123):
A.1/40 B. 1/10 C. 1/4 D.1/3
OpenStudy (anonymous):
probability = (success options)/(all options) = (10 black) / (40 in all) = answer
OpenStudy (anonymous):
add all up and do 10 divided by the number reduced
OpenStudy (anonymous):
c
OpenStudy (anonymous):
10/40=1/4
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