Difference between proportions of drug-resistant cases


Medical tests were conducted to learn regarding drug-resistant tuberculosis. Of 142 cases tested in New Jersey, 9 were found to be drug-resistant. Of 268 cases tested in Texas, five were found to be drug-resistant. Do such data suggest statistically significant difference between proportions of drug-resistant cases in the two states? Use a .02 level of significance. What is the p-value, and what is your conclusion?

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Basic Statistics: Difference between proportions of drug-resistant cases
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