6) The proportions of blood types O, A, B, and AB in the general populations of a particular country are known to be in the ratio 49:38:9:4, respectively. A research team, investigating a small isolated community in the country, obtained the following frequencies of blood type. Blood Type O A AB Frequency 87 59 B 20 X 4 Test the hypothesis that the proportions in this community do not differ significantly from those in the general population.

Q: I also Need help with part D please

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