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Two surgical procedures are widely used to treat a certain type of cancer. To compare the success rates of the two procedures, random samples of the two types of surgical patients were obtained and the numbers of patients who showed no recurrence of the disease after a 1-year period were recorded. The data are shown in the table. How large a sample would be necessary in order to estimate the difference in the true success rates to within 0.10 with 95% reliability? Procedure A Procedure B n 100 100 n₁ = n₂ = 192 n₁ = n₂ = 15 n₁ = n₂ = 30 n₁ = n₂ = 20 Number of Successes 95 97

Two surgical procedures are widely used to treat a certain type of cancer. To compare the success rates of the two procedures, random samples of the two types of surgical patients were obtained and the numbers of patients who showed no recurrence of the disease after a 1-year period were recorded. The data are shown in the table. How large a sample would be necessary in order to estimate the difference in the true success rates to within 0.10 with 95% reliability? Procedure A Procedure B n 100 100 n₁ = n₂ = 192 n₁ = n₂ = 15 n₁ = n₂ = 30 n₁ = n₂ = 20 Number of Successes 95 97

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 1GP
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Two surgical procedures are widely used to treat a certain type of cancer. To compare the success rates of the two procedures, random samples of the two types of surgical patients were obtained and the numbers of patients who showed no recurrence of the disease after a 1-year period were recorded. The data are shown in the table. How large a sample would be necessary in order to estimate the difference in the true success rates to within 0.10 with 95% reliability? Procedure A Procedure B n 100 100 n₁ = n₂ = 192 n₁ = n₂ = 15 n₁ = n₂ = 30 n₁ = n₂ = 20 Number of Successes 95 97
Transcribed Image Text:Two surgical procedures are widely used to treat a certain type of cancer. To compare the success rates of the two procedures, random samples of the two types of surgical patients were obtained and the numbers of patients who showed no recurrence of the disease after a 1-year period were recorded. The data are shown in the table. How large a sample would be necessary in order to estimate the difference in the true success rates to within 0.10 with 95% reliability? Procedure A Procedure B n 100 100 n₁ = n₂ = 192 n₁ = n₂ = 15 n₁ = n₂ = 30 n₁ = n₂ = 20 Number of Successes 95 97
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