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In a science experiment, result X is expected to occur 25% of the time and result Y is expected to occur the remaining 75% of the time. The following code segment is intended to simulate the experiment if there are 100 trials. Line 1: xCount + 0 Line 2: yCount + 0 Line 3: REPEAT 100 TIMES Line 4: IF(RANDOM (1, 4) = 1) Line 5: Line 6: { Line 7: xCount + xCount + 1 Line 8: Line 9: IF (RANDOM (1, 4) > 1) Line 10: Line 11: yCount + yCount + 1 Line 12: Line 13: } Line 14: DISPLAY ("Result x occurred") Line 15: DISPLAY (XCount) Line 16: DISPLAY("times and result Y occurred") Line 17: DISPLAY (yCount)

In a science experiment, result X is expected to occur 25% of the time and result Y is expected to occur the remaining 75% of the time. The following code segment is intended to simulate the experiment if there are 100 trials. Line 1: xCount + 0 Line 2: yCount + 0 Line 3: REPEAT 100 TIMES Line 4: IF(RANDOM (1, 4) = 1) Line 5: Line 6: { Line 7: xCount + xCount + 1 Line 8: Line 9: IF (RANDOM (1, 4) > 1) Line 10: Line 11: yCount + yCount + 1 Line 12: Line 13: } Line 14: DISPLAY ("Result x occurred") Line 15: DISPLAY (XCount) Line 16: DISPLAY("times and result Y occurred") Line 17: DISPLAY (yCount)

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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question 34
In a science experiment, result X is expected to occur 25% of the time and result Y is expected to occur the remaining 75% of the time, The following code segment is intended to simulate the experiment if there are 100 trials. Line 1: xCount + 0 Line 2: yCount + 0 Line 3: REPEAT 100 TIMES Line 4: Line 5: IF(RANDOM (1, 4) = 1) Line 6: { Line 7: xCount + xCount + 1 Line 8: Line 9: IF (RANDOM ( 1, 4) > 1) Line 10: { Line 11: yCount + ycount + 1 Line 12: Line 13: } Line 14: DISPLAY ( "Result x occurred") Line 15: DISPLAY (XCount) Line 16: DISPLAY("times and result Y occurred") Line 17: DISPLAY (yCount) Line 18: DISPLAY ( "times.") A programmer runs the code segment, and the following message is displayed. Result X occurred 24 times and result Y occurred 70 times. The result shows that 94 trials were counted, rather than the intended 100 trials. Which of the following changes to the code segment will ensure a correct simulation of the experiment?
Transcribed Image Text:In a science experiment, result X is expected to occur 25% of the time and result Y is expected to occur the remaining 75% of the time, The following code segment is intended to simulate the experiment if there are 100 trials. Line 1: xCount + 0 Line 2: yCount + 0 Line 3: REPEAT 100 TIMES Line 4: Line 5: IF(RANDOM (1, 4) = 1) Line 6: { Line 7: xCount + xCount + 1 Line 8: Line 9: IF (RANDOM ( 1, 4) > 1) Line 10: { Line 11: yCount + ycount + 1 Line 12: Line 13: } Line 14: DISPLAY ( "Result x occurred") Line 15: DISPLAY (XCount) Line 16: DISPLAY("times and result Y occurred") Line 17: DISPLAY (yCount) Line 18: DISPLAY ( "times.") A programmer runs the code segment, and the following message is displayed. Result X occurred 24 times and result Y occurred 70 times. The result shows that 94 trials were counted, rather than the intended 100 trials. Which of the following changes to the code segment will ensure a correct simulation of the experiment?
A Replacing line 9 with IF(RANDOM (1, 4) > 2) Replacing line 9 with ELSE Interchanging lines 5 and 9 D Interchanging lines 7 and 11
Transcribed Image Text:A Replacing line 9 with IF(RANDOM (1, 4) > 2) Replacing line 9 with ELSE Interchanging lines 5 and 9 D Interchanging lines 7 and 11
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