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Supposedly, there is the same proportion of each color of M&Ms in each bag (see data file for problem 1 for proportions).

Supposedly, there is the same proportion of each color of M&Ms in each bag (see data file for problem 1 for proportions). I counted up each color in some recent bags I purchased and found the given number of each color (see data file). Is the claim that all bags have the same proportion true, if I want to be 95 percent sure?

What is the distribution used to test the claim?


Observed

Color Frequency Frequency

Brown 0.3 177

Yellow 0.2 110

Red 0.2 79

Orange 0.1 41

Green 0.1 36

Blue 0.1 38

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