A box contains 100 colored chips; some are yellow and some are green. John chooses a chip at random, records the color, and places it back in the bag. John has recorded 57 yellow chips and 19 green chips. Using these results, what is the predicted number of green chips in the box?
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In this case where the chips have been replaced, we have the equivalent of 76 identically independent samples. The best estimate of what's in the bag is the same ratio as the samples.
So its C @mathmate
What is the ratio of yellow and green chips in the 76 samples?
Can you show me your work how you got 76?
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All i did was 57+19=76
Is that the correct anser?
57+19=76 is the total number of samples in the experiment.
You need to find the yellow:green ratio from the results of the sampling, then apply the same ratio to the size of the box to get "the number of green chips in the box"