Homework Answers
a)P(older than 2 years given foreign car)=(20+13+30)/100=63/100 =0.63
b)P(domestic and older than 2 years)=(25+12+18)/200=55/200=11/40
c)P(domestic given at least 6 years old)=(12+18)/(25+48)=30/73=0.4110
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5. The manager of a used car lot took inventory of the automobiles on his lot...
The manager of a used car lot took inventory of the automobiles on his lot and...
The manager of a used car lot took inventory of the automobiles on his lot and constructed the following table based on the age of his car and its make (foreign or domestic) Age of Car (in years) Make Foreign Domestic Total 39 45 84 -5 6-10 29 25 54 over 10 | Total 100 100 200 21 15 36 15 26 A car was randomly selected from the lot. Given that the car selected is older than two years...
do all Tool 13. The manager of a used car lot took inventory of automobiles on...
do all
Tool 13. The manager of a used car lot took inventory of automobiles on his lot and constructed the following table based on the age of his car and its make foreign or domestic Age of Carinya) Make 0.2 3.5 6-10 Over 10 Foreign 62 33 1 8 17 130 Domestic 40 28 16 26 110 Total 102 613443 240 (1) A car was randomly selected from the lot, find the probability that it was a foreign car....
Car inspection: Of all the registered automobiles in a city, 5% fail the emissions test. Eight...
Car inspection: Of all the registered automobiles in a city, 5% fail the emissions test. Eight automobiles are selected at random to undergo an emissions test. Round the answers to at least four decimal places. ol. Part 1 of 4 (a) Find the probability that exactly three of them fail the test. The probability that exactly three of them fail the test is Part 2 of 4 (b) Find the probability that fewer than three of them fail the test....
The manager of a computer retails store is concerned that his suppliers have been giving him...
The manager of a computer retails store is concerned that his suppliers have been giving him laptop computers with lower than average quality. His research shows that replacement times for the model laptop of concern are normally distributed with a mean of 3.7 years and a standard deviation of 0.6 years. He then randomly selects records on 48 laptops sold in the past and finds that the mean replacement time is 3.4 years. Assuming that the laptop replacement times have...
Question 5 12 pts A used car dealer has purchased 15 cars in an auction, of...
Question 5 12 pts A used car dealer has purchased 15 cars in an auction, of which unknown to him 6 of them have faulty fuel injectors and the rest are good. If his mechanic randomly selects n=3 of these cars for inspections, find the probability that he finds more than one of his selected cars have faulty fuel injections. 0.011 None of these 0.308 0.297 0.692 Next → • Previous hp
QUESTION 14 In the exercise below, let U = {x|XEN and x < 10} A -...
QUESTION 14 In the exercise below, let U = {x|XEN and x < 10} A - {x|x is an odd natural number and x < 10} B = {x|x is an even natural number and x < 10} C = {x|XEN and 3<x<5} Find the set. BnU O U or {1, 2, 3, 4, 5, 6, 7, 8, 9} U or {1, 2, 3, 4, 5, 6, 7, 8, 9, 10; Bor {2, 4, 6, 8, 10} O B or...
#58 d 4 members of the Green lected from the group, find ependent or a Green....
#58
d 4 members of the Green lected from the group, find ependent or a Green. 4 Years High College 4 Years High School (Less than College School Only 4 years) (or More) Total ind the probability of rolling Male than 5. 20 23 82 Female Total 14 15 29 han 4. 45 174 card from a 52-card deck. Source: U.S. Census Bureau Find the probability, expressed as a simplified fraction, thata randomly selected American, age 25 or over 41....
A used-car dealer gets complaints about his cars as shown in the table. Number of complaints per day 1 2 3 4 5 6 0.01 0.04 0.13 0.21 0.41 0.14 0.06 Probability Find the expected number of complaints...
A used-car dealer gets complaints about his cars as shown in the table. Number of complaints per day 1 2 3 4 5 6 0.01 0.04 0.13 0.21 0.41 0.14 0.06 Probability Find the expected number of complaints per day The expected number of complaints per day is (Type an integer or a decimal. Do not round your answer.)
A used-car dealer gets complaints about his cars as shown in the table. Number of complaints per day 1 2 3...
“Fana Lube” is a regional chain that provides a standard service for performing oil changes and basic checkups on automobiles. The chain has a standard that says the average time per car for this ser...
“Fana Lube” is a regional chain that provides a standard service for performing oil changes and basic checkups on automobiles. The chain has a standard that says the average time per car for this service should be 15 minutes. There is considerable variability in times due to differences in layout of engines, degree of time pressure from other jobs, and many other sources. As a result, the management of the chain decided to study if the standard is being met...
Figure 13-9 The figure below depicts average total cost functions for a firm that produces automobiles....
Figure 13-9 The figure below depicts average total cost functions for a firm that produces automobiles. Average Total Cost (5) ATCD ATCA ATCE Quantity of Automobiles per day Refer to Figure 13-9. Which of the curves is most likely to characterize the short-run average total cost curve of the smallest factory? a. ATCA b.ATCB ос. Атес d. ATCD Figure 13-9 The figure below depicts average total cost functions for a firm that produces automobiles. Average 1 Total Cost (5) Quantity...
The manager of a used car lot took inventory of the automobiles on his lot and constructed the following table based on the age of his car and its make (foreign or domestic) Age of Car (in years) Make Foreign Domestic Total 39 45 84 -5 6-10 29 25 54 over 10 | Total 100 100 200 21 15 36 15 26 A car was randomly selected from the lot. Given that the car selected is older than two years...
do all
Tool 13. The manager of a used car lot took inventory of automobiles on his lot and constructed the following table based on the age of his car and its make foreign or domestic Age of Carinya) Make 0.2 3.5 6-10 Over 10 Foreign 62 33 1 8 17 130 Domestic 40 28 16 26 110 Total 102 613443 240 (1) A car was randomly selected from the lot, find the probability that it was a foreign car....
Car inspection: Of all the registered automobiles in a city, 5% fail the emissions test. Eight automobiles are selected at random to undergo an emissions test. Round the answers to at least four decimal places. ol. Part 1 of 4 (a) Find the probability that exactly three of them fail the test. The probability that exactly three of them fail the test is Part 2 of 4 (b) Find the probability that fewer than three of them fail the test....
Question 5 12 pts A used car dealer has purchased 15 cars in an auction, of which unknown to him 6 of them have faulty fuel injectors and the rest are good. If his mechanic randomly selects n=3 of these cars for inspections, find the probability that he finds more than one of his selected cars have faulty fuel injections. 0.011 None of these 0.308 0.297 0.692 Next → • Previous hp
QUESTION 14 In the exercise below, let U = {x|XEN and x < 10} A - {x|x is an odd natural number and x < 10} B = {x|x is an even natural number and x < 10} C = {x|XEN and 3<x<5} Find the set. BnU O U or {1, 2, 3, 4, 5, 6, 7, 8, 9} U or {1, 2, 3, 4, 5, 6, 7, 8, 9, 10; Bor {2, 4, 6, 8, 10} O B or...
#58
d 4 members of the Green lected from the group, find ependent or a Green. 4 Years High College 4 Years High School (Less than College School Only 4 years) (or More) Total ind the probability of rolling Male than 5. 20 23 82 Female Total 14 15 29 han 4. 45 174 card from a 52-card deck. Source: U.S. Census Bureau Find the probability, expressed as a simplified fraction, thata randomly selected American, age 25 or over 41....
A used-car dealer gets complaints about his cars as shown in the table. Number of complaints per day 1 2 3 4 5 6 0.01 0.04 0.13 0.21 0.41 0.14 0.06 Probability Find the expected number of complaints per day The expected number of complaints per day is (Type an integer or a decimal. Do not round your answer.)
A used-car dealer gets complaints about his cars as shown in the table. Number of complaints per day 1 2 3...
Figure 13-9 The figure below depicts average total cost functions for a firm that produces automobiles. Average Total Cost (5) ATCD ATCA ATCE Quantity of Automobiles per day Refer to Figure 13-9. Which of the curves is most likely to characterize the short-run average total cost curve of the smallest factory? a. ATCA b.ATCB ос. Атес d. ATCD Figure 13-9 The figure below depicts average total cost functions for a firm that produces automobiles. Average 1 Total Cost (5) Quantity...
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