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TOPIC:Events and probability.
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An inspection on 160 parts made from two production lines at a factory yields the following...
Question 8 1 pts An inspection on 160 parts made from two production lines at a...
Question 8 1 pts An inspection on 160 parts made from two production lines at a factory yields the following table. A part is randomly selected from these 160 parts. Line 1 Line 2 total Good 65 82 147 Defective 5 8 13 total 70 90 160 The probability that this part is made from Line 1 is about O 0.41 0.56 O 0.44 0.39 0.03 Question 10 1 pts The following two-way contingency table gives the breakdown of the...
Conditional Probability Problem 1) A foundry has 3 different production lines and wants to evaluate the...
Conditional Probability Problem
1) A foundry has 3 different production lines and wants to evaluate the performance of each line. The performance of each line is given below Percent of all parts that Percent of all parts that come from each line and Line X Line Y Line Z TOTAL come from each line 44% 36% 20% 100% are defective 3% 4% 1% 19% Parts from all 3 lines merge into a single conveyor to take them to inspection. Consider...
+ O ShapesI Ink to Shape 2. Two production lines are used to pack sugar into...
+ O ShapesI Ink to Shape 2. Two production lines are used to pack sugar into 5 kg bags. Line 1 produces twice as many bags as does line 2. One percent of bags from line 1 are defective in that they fail to meet a purity specification while 3% of the bags from line 2 are defective. A bag is randomly chosen for inspection. ( 2 points, each part is 0.5 points) a. What is the probability that it...
A factory uses three production lines to manufacture cans of a certain type. The accompanying table...
A factory uses three production lines to manufacture cans of a certain type. The accompanying table gives percentages of nonconforming cans, categorized by type of nonconformance, for each of the three lines during a particular time period. Blemish Crack Pull-Tab Problem Surface Defect Other Line 1 Line 2 15 12 50 44 21 28 10 8 4 3 Line 3 20 40 24 15 2 During this period, line i produced 300 nonconforming cans, line 2 produced 800 such cans,...
B. Develop a 90%,95%,98%,99% confidence interval estimate of the true mean difference between the two lines. A pet fo...
B. Develop a 90%,95%,98%,99% confidence interval estimate of
the true mean difference between the two lines.
A pet food producer fills 25-pound bags of dog food on two different production lines located in separate cities. In an effort to determine whether differences exist between the average fill rates for the two lines, a random sample of 18 bags from line 1 and a random sample of 23 bags from line 2 were recently selected. Each bag's weight was measured and...
The following results were obtained from an undrained shear box test carried out on a set...
The following results were obtained from an undrained shear box test carried out on a set of undisturbed soil samples. 0.2 0.8 Normal Load (N) Strain (%) 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 0 21 46 70 89 107 121 131 136 138 138 137 136 0.4 Shearing force (N) 0 33 72 110 139 164 180 192 201 210 217 224 230 234 237 236 0 45...
The following results were obtained from an undrained shear box test carried out on a set...
The following results were obtained from an undrained shear box test carried out on a set of undisturbed soil samples. 0.2 0.8 Normal Load (N) Strain (%) 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 0 21 46 70 89 107 121 131 136 138 138 137 136 0.4 Shearing force (N) 0 33 72 110 139 164 180 192 201 210 217 224 230 234 237 236 0 45...
Use Table 8.1, a computer, or a calculator to answer the following. Suppose a candidate for...
Use Table 8.1, a computer, or a calculator to answer the following. Suppose a candidate for public office is favored by only 47% of the voters. If a sample survey randomly selects 2,500 voters, the percentage in the sample who favor the candidate can be thought of as a measurement from a normal curve with a mean of 47% and a standard deviation of 1%. Based on this information, how often (as a %) would such a survey show that...
APCO Company manufactures various lines of bicycles. Because of the high volume of each line, the...
APCO Company manufactures various lines of bicycles. Because of the high volume of each line, the company employs a process costing system using the weighted-average method. Bicycle parts are manufactured in the molding department and then are consolidated into a single bike unit in the molding department and transferred to the assembly department where they are assembled. After assembly, the bicycle is sent to the packing department. Annual cost and production figures for the assembly department are presented in the...
APCO Company manufactures various lines of bicycles. Because of the high volume of each line, the...
APCO Company manufactures various lines of bicycles. Because of the high volume of each line, the company employs a process costing system using the weighted-average method. Bicycle parts are manufactured in the molding department and then are consolidated into a single bike unit in the molding department and transferred to the assembly department where they are assembled. After assembly, the bicycle is sent to the packing department. Annual cost and production figures for the assembly department are presented in the...
Question 8 1 pts An inspection on 160 parts made from two production lines at a factory yields the following table. A part is randomly selected from these 160 parts. Line 1 Line 2 total Good 65 82 147 Defective 5 8 13 total 70 90 160 The probability that this part is made from Line 1 is about O 0.41 0.56 O 0.44 0.39 0.03 Question 10 1 pts The following two-way contingency table gives the breakdown of the...
Conditional Probability Problem
1) A foundry has 3 different production lines and wants to evaluate the performance of each line. The performance of each line is given below Percent of all parts that Percent of all parts that come from each line and Line X Line Y Line Z TOTAL come from each line 44% 36% 20% 100% are defective 3% 4% 1% 19% Parts from all 3 lines merge into a single conveyor to take them to inspection. Consider...
+ O ShapesI Ink to Shape 2. Two production lines are used to pack sugar into 5 kg bags. Line 1 produces twice as many bags as does line 2. One percent of bags from line 1 are defective in that they fail to meet a purity specification while 3% of the bags from line 2 are defective. A bag is randomly chosen for inspection. ( 2 points, each part is 0.5 points) a. What is the probability that it...
A factory uses three production lines to manufacture cans of a certain type. The accompanying table gives percentages of nonconforming cans, categorized by type of nonconformance, for each of the three lines during a particular time period. Blemish Crack Pull-Tab Problem Surface Defect Other Line 1 Line 2 15 12 50 44 21 28 10 8 4 3 Line 3 20 40 24 15 2 During this period, line i produced 300 nonconforming cans, line 2 produced 800 such cans,...
B. Develop a 90%,95%,98%,99% confidence interval estimate of
the true mean difference between the two lines.
A pet food producer fills 25-pound bags of dog food on two different production lines located in separate cities. In an effort to determine whether differences exist between the average fill rates for the two lines, a random sample of 18 bags from line 1 and a random sample of 23 bags from line 2 were recently selected. Each bag's weight was measured and...
The following results were obtained from an undrained shear box test carried out on a set of undisturbed soil samples. 0.2 0.8 Normal Load (N) Strain (%) 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 0 21 46 70 89 107 121 131 136 138 138 137 136 0.4 Shearing force (N) 0 33 72 110 139 164 180 192 201 210 217 224 230 234 237 236 0 45...
The following results were obtained from an undrained shear box test carried out on a set of undisturbed soil samples. 0.2 0.8 Normal Load (N) Strain (%) 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 0 21 46 70 89 107 121 131 136 138 138 137 136 0.4 Shearing force (N) 0 33 72 110 139 164 180 192 201 210 217 224 230 234 237 236 0 45...
Use Table 8.1, a computer, or a calculator to answer the following. Suppose a candidate for public office is favored by only 47% of the voters. If a sample survey randomly selects 2,500 voters, the percentage in the sample who favor the candidate can be thought of as a measurement from a normal curve with a mean of 47% and a standard deviation of 1%. Based on this information, how often (as a %) would such a survey show that...
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