# In a comparison between two. major brands of broiler chickens, 70 of 160 Perdue chickens in a SRS tested positive for food-borne illness bacteria. In

In a comparison between two. major brands of broiler chickens, 70 of 160 Perdue chickens in a SRS tested positive for food-borne illness bacteria. In a SRS of 160 Tyson chickens, 132 tested positive. Wed
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Solution:
Given: - For Perdue chikens,

For Tyson chickens,
The problem is to test

Vs
where are population props of posotove results in Perdue and Tyson chikens respectively.
Hence it is the problem of generalition inference method and can be solved using two ${\propto }^{n}$ z method.
Because sample size of 160 is large.