Two Surgical Procedures Are Widely Used to Treat a Certain

question 13

Multiple Choice

Two surgical procedures are widely used to treat a certain type of cancer. To compare the success rates of thetwo procedures, random samples of the two types of surgical patients were obtained and the numbers ofpatients who showed no recurrence of the disease after a 1-year period were recorded. The data are shown inthe table. How large a sample would be necessary in order to estimate the difference in the true success ratesto within $\begin{array}{lcc}\hline & \mathrm{n} & \text { Number of Successes } \\\hline \text { Procedure A } & 100 & 73 \\\text { Procedure B } & 100 & 92 \\\hline\end{array}$

• A) \(\mathrm{n}_{1}=\mathrm{n}_{2}=104\)
• B) \(\mathrm{n}_{1}=\mathrm{n}_{2}=73\)
• C) \(\mathrm { n } _ { 1 } = \mathrm { n } _ { 2 } = 53\)
• D) \(\mathrm { n } _ { 1 } = \mathrm { n } _ { 2 } = 192\) 0.10 with 95% reliability?

Comprehend the accounting treatment for foreign exchange transactions and the impact of exchange rate fluctuations.

Interpret financial metrics such as profit margin, total asset turnover, and return on total assets.

Understand the components of comprehensive income.

Understand the concept of confidence coefficient and its implications on hypothesis testing.

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