huntershelton28 huntershelton28

23-06-2016
Mathematics

Answered

A bag contains five yellow marbles, nine red marbles, three blue marbles, six white marbles, and seven black marbles. What is the theoretical probability of pulling a red marble from the bag?

Verified Answer :

23-06-2016

Desired over total number of marbles

\(\dfrac{9}{30}\)

You can divide by 3 to simplify

\(\frac{3}{10}\)

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23-06-2016

There are 30 marbles in the bag all together. 9 of them are red, so the probability of pulling a red one is. 9/30 .

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