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lina2011 [118]
4 years ago
7

A jar contains 30 red marbles 50 blue marbles and 20 white marbles what is the the theoretical probability of choosing a white m

arble
Mathematics
2 answers:
svlad2 [7]4 years ago
7 0
Theoretical probablity=desiredoutcomes/totalpossibleoutcomes

desired=number of white marbles=20
total possible=red+blue+white=30+50+20=100

so theoretical probablity=20/100=2/10=0.2=20%
Mice21 [21]4 years ago
5 0
\frac{white\ marbles}{all\ marbles}= \frac{20}{20+3+50}  = \frac{20}{100} =\boxed{ \frac{1}{5} } \\  \\  \\  \\  \\ "Non\ nobis\ Domine,\ non\ nobis,\ sed\ Nomini\ tuo\ da\ gloriam." \\  \\  \\ \underline{\underline{Regards\ M.Y.}}
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