9 12 18 The literature for a particular medical procedure says there is a 70% chance it is successful. A surgeon performing the procedure tells his patients that the proportion of procedures he performs that are successful is higher than that. In a random sample of 30 procedures performed by the surgeon, 24 were successful. Use the results of 75 simulations shown in the null distribution below to evaluate the surgeon's claim. 0.40 0.47 0.53 0.60 0.67 0.73 0.80 0.87 0.93 1 Write the hypotheses symbolically O Ho: p = 0.8 Ha: p = 0.8 O Ho: p = 0.8 Ha: p > 0.8 O Ho: p = 0.70 Ha: p < 0.70 O Ho: p = 0.70 Ha: p = 0.70 O Ho: p = 0.8 Ha: p < 0.8 Ho: p = 0.70 Ha: p > 0.70 Which of the following is a true statement about the simulation results? The results are simulated assuming the true proportion equals 0.70 O The results are simulated assuming the true proportion is less than 0.70 The results are simulated assuming the true proportion is greater than 0.70 O The results are simulated without any prior assumptions Compute the p-value 0.12 x Round to 2 decimal places, if needed.
9 12 18 The literature for a particular medical procedure says there is a 70% chance it is successful. A surgeon performing the procedure tells his patients that the proportion of procedures he performs that are successful is higher than that. In a random sample of 30 procedures performed by the surgeon, 24 were successful. Use the results of 75 simulations shown in the null distribution below to evaluate the surgeon's claim. 0.40 0.47 0.53 0.60 0.67 0.73 0.80 0.87 0.93 1 Write the hypotheses symbolically O Ho: p = 0.8 Ha: p = 0.8 O Ho: p = 0.8 Ha: p > 0.8 O Ho: p = 0.70 Ha: p < 0.70 O Ho: p = 0.70 Ha: p = 0.70 O Ho: p = 0.8 Ha: p < 0.8 Ho: p = 0.70 Ha: p > 0.70 Which of the following is a true statement about the simulation results? The results are simulated assuming the true proportion equals 0.70 O The results are simulated assuming the true proportion is less than 0.70 The results are simulated assuming the true proportion is greater than 0.70 O The results are simulated without any prior assumptions Compute the p-value 0.12 x Round to 2 decimal places, if needed.
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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