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

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

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.