peachesncream2p4u3wy peachesncream2p4u3wy

10-05-2018
Mathematics

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There are 80 marbles in a bag. You randomly choose 20 marbles from the bag. The results are shown in the table. Predict the total number of yellow marbles.

Color
Blue 6
Red 9
Yellow 5

There are about ___ yellow marbles.

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MsEHolt MsEHolt

20-05-2018

There are about 20 yellow marbles.

The experimental probability is 5/20, since 5 yellow marbles were drawn out of 20 in the sample.

5/20(80) = 400/20 = 20

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