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3. The two most common type of errors made by programmers are syntax errors and errors in logic. For a simple language such as BASIC the number of such errors is usually small. Let X denote the number of syntax errors and Y the number of errors in logic made on the first run of a BASIC program. Assume that the joint density for (X,Y) is as shown in table 2: x/y 3. 100 .040 .005 400 300 .020 .010 .004 .040 .010 .009 .003 .009 .008 .007 .003 4 .008 .007 .005 .002 .005 .002 .002 .001 a. Find the probability that a randomly selected program will have neither of these types of error. b. Find the probability that a randomly selected program will contain at least one syntax error and at most one error of logic. c. Find the marginal densities for X and Y d. Find the probability that a randomly selected program contains at least two syntax errors. e. Find the probability that a randomly selected program contains one or two errors in logic.

3. The two most common type of errors made by programmers are syntax errors and errors in logic. For a simple language such as BASIC the number of such errors is usually small. Let X denote the number of syntax errors and Y the number of errors in logic made on the first run of a BASIC program. Assume that the joint density for (X,Y) is as shown in table 2: x/y 3. 100 .040 .005 400 300 .020 .010 .004 .040 .010 .009 .003 .009 .008 .007 .003 4 .008 .007 .005 .002 .005 .002 .002 .001 a. Find the probability that a randomly selected program will have neither of these types of error. b. Find the probability that a randomly selected program will contain at least one syntax error and at most one error of logic. c. Find the marginal densities for X and Y d. Find the probability that a randomly selected program contains at least two syntax errors. e. Find the probability that a randomly selected program contains one or two errors in logic.

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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3. The two most common type of errors made by programmers are syntax errors and errors in logic. For a simple language such as BASIC the number of such errors is usually small. Let X denote the number of syntax errors and Y the number of errors in logic made on the first run of a BASIC program. Assume that the joint density for (X,Y) is as shown in table 2: x/y 2 3 400 .100 .020 .005 .300 .040 .010 .004 .040 ,010 .009 .003 .009 .008 .007 .003 4. .008 .007 .005 .002 .005 .002 .002 .001 a. Find the probability that a randomly selected program will have neither of these types of error. b. Find the probability that a randomly selected program will contain at least one syntax error and at most one error of logic. c. Find the marginal densities for X and Y d. Find the probability that a randomly selected program contains at least two syntax errors. e. Find the probability that a randomly selected program contains one or two errors in logic.
Transcribed Image Text:3. The two most common type of errors made by programmers are syntax errors and errors in logic. For a simple language such as BASIC the number of such errors is usually small. Let X denote the number of syntax errors and Y the number of errors in logic made on the first run of a BASIC program. Assume that the joint density for (X,Y) is as shown in table 2: x/y 2 3 400 .100 .020 .005 .300 .040 .010 .004 .040 ,010 .009 .003 .009 .008 .007 .003 4. .008 .007 .005 .002 .005 .002 .002 .001 a. Find the probability that a randomly selected program will have neither of these types of error. b. Find the probability that a randomly selected program will contain at least one syntax error and at most one error of logic. c. Find the marginal densities for X and Y d. Find the probability that a randomly selected program contains at least two syntax errors. e. Find the probability that a randomly selected program contains one or two errors in logic.
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