A bin contains red balls and purple balls. A ball is selected at random and then placed back in the bin. The results are recorded after 10 trials, 50 trials, and 200 trials. The results are recorded in the table.
Based on the table, how many times can you expect that a purple ball will be selected in 400 tries?

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start first by making a ratio for each column

something divided by 400 merp

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