Test hypothesis that percentages of the surgical operations

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Reference no: EM13901703

To determine if a malpractice lawsuit is more likely to follow certain types of surgeries, random samples of three different types of surgeries were studied, and the following data resulted.

Type of Operation	Number Sampled	Number Leading to a Lawsuit
Heart surgery	400	16
Brain surgery	300	19
Appendectomy	300	7

Test the hypothesis that the percentages of the surgical operations that lead to lawsuits are the same for each of the three types.

(a) Use the 5 percent level of significance.

(b) Use the 1 percent level of significance.

Reference no: EM13901703

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