Please Answer and Show all the sections in this question. This is the Probability and Sampling...
Please Answer and Show all the sections in this question. This is the Probability and Sampling Distribution Model in Statistics
Federal law under Title 49 of the United States Code, Chapter 301, Motor Vehicle Safety Standard took effect on January 1, 1968 and required all vehicles (except buses) to be fitted with seat belts in all designated seating positions. While most states have laws requiring seat belt use today, some people still do not “buckle up.” Let’s assume that 90 % of drivers do “buckle up.” If drivers are randomly stopped to check seat belt usage, answer the following questions and show your work.
- How many drivers do they expect to stop before finding a driver whose seatbelt is not buckled?
- What is the probability that the second unbelted driver is in the ninth car stopped?
- What is the probability that of the first 10 drivers, 8 or more are wearing their seatbelts?
- If they stop 30 cars during the first hour, find the mean and standard deviation of the number of drivers not expected to be wearing seatbelts?
- If they stop 120 cars during this safety check, what is the probability they find at least 12 drivers not wearing seatbelts?
Homework Answers
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Please Answer and Show all the sections in this
question. This is the Probability and Sampling...
9) Police They set up a safety roadblock, stopping cars to check for seatbelt use How many cars d...
9) Police They set up a safety roadblock, stopping cars to check for seatbelt use How many cars do they expect to stop before finding a driver whose seatbelt is not buckled estimate that 95% of drivers wear their seatbelts. Assume Independence. a) b) What is the probability that the first unbelted driver is the 6 car stopped ? c) If they stop 16 cars during the first hour, what is the probability that 6 drivers did not wear their...
9) Police They set up a safety roadblock, stopping cars to check for seatbelt use How many cars d...
9) Police They set up a safety roadblock, stopping cars to check for seatbelt use How many cars do they expect to stop before finding a driver whose seatbelt is not buckled estimate that 95% of drivers wear their seatbelts. Assume Independence. a) b) What is the probability that the first unbelted driver is the 6 car stopped ? c) If they stop 16 cars during the first hour, what is the probability that 6 drivers did not wear their...
Homework: Section 4.3 Homework Save Dwscore: 26.67%, 4 of Score: 0 of 1 pt 14 of 15 (4 complete) ...
Homework: Section 4.3 Homework Save Dwscore: 26.67%, 4 of Score: 0 of 1 pt 14 of 15 (4 complete) 4.3.28 Question Help Assume that police estimate that 18% of drivers do not wear their seatbelts. They set up a safety roadblock, stopping cars to check for seatbelt use. They stop 40 cars during the first hour. a. Find the mean, variance, and standard deviation of the number of drivers expected not to be wearing seatbelts Use the fact that the...
Police estimate that 84% of drivers wear their seatbelts. They set up a safety roadblock, stopping...
Police estimate that 84% of drivers wear their seatbelts. They set up a safety roadblock, stopping cars to check for seatbelt use. If they stop 150 cars, what is the probability they find at least 24 drivers not wearing their seatbelts? Use a Normal approximation.
64% of all drivers use seat belts, while the remaining 36% do not use seat belts....
64% of all drivers use seat belts, while the remaining 36% do not use seat belts. Drivers using a seat belt have 0.2% chance to be stopped for a moving violation. In contrast, drivers that do not use a seat belt have a 0.5% chance to be stopped for a moving violation. A random driver is stopped for a moving violation, what is the probability that the driver will have a seat belt?
Police estimate that 77% of drivers wear their seatbelts. They set up a safety roadblock, stopping...
Police estimate that 77% of drivers wear their seatbelts. They set up a safety roadblock, stopping cars to check for seatbelt use. If they stop 110 cars, what is the probability they find at least 27 drivers not wearing their seatbelts? Use a Normal approximation. The probability is (Type an integer or a decimal rounded to four decimal places as needed.)
Police estimate that 73% of drivers wear their seatbelts They set up a safety roadblock, stopping...
Police estimate that 73% of drivers wear their seatbelts They set up a safety roadblock, stopping cars to check for seatbelt use. If they stop 120 cars, what is the probability they find at least 28 drivers not wearing their seatbelts? Use a Normal approximation. The probability is Type an integer or a decimal rounded to four decimal places as needed.)
Police estimate that 77% of drivers wear their seatbelts. They set up a safety roadblock, stopping...
Police estimate that 77% of drivers wear their seatbelts. They set up a safety roadblock, stopping cars to check for seatbelt use. If they stop 110 cars, what is the probability they find at least 18 drivers not wearing their seatbelts? Use a Normal approximation. The probability is? (Type an integer or a decimal rounded to four decimal places as needed.)
6) According to a recent government report, 87% of drivers now use seat belts regularly. Suppose...
6) According to a recent government report, 87% of drivers now use seat belts regularly. Suppose a police officer at a road check randomly stops ten cars to check for seat belt usage. Gradet a) What is the probability that at least eight drivers were wearing their seat belt? Communication strong --------> weak Grade! 5 4 3 2 1 b) What is the probability that all ten drivers were wearing their seat belt? Communication strong -- ---- weak XI Grade:...
A. After reading Mebane's story "The Back of the Bus": 1. How do paragraphs 1 &...
A. After reading Mebane's story "The Back of the Bus": 1. How do paragraphs 1 & 2 introduce the story? 2. How does the author set historical context (cite specific example from the story). 3. How does the author set emotional context? (cite specific example from the story). MARY MEBANE THE BACK OF THE BUS Mary Mebane (1933-1992) was a member of the last generation of African Americans to endure legal segregation in the South. The daughter of a dirt...
9) Police They set up a safety roadblock, stopping cars to check for seatbelt use How many cars do they expect to stop before finding a driver whose seatbelt is not buckled estimate that 95% of drivers wear their seatbelts. Assume Independence. a) b) What is the probability that the first unbelted driver is the 6 car stopped ? c) If they stop 16 cars during the first hour, what is the probability that 6 drivers did not wear their...
9) Police They set up a safety roadblock, stopping cars to check for seatbelt use How many cars do they expect to stop before finding a driver whose seatbelt is not buckled estimate that 95% of drivers wear their seatbelts. Assume Independence. a) b) What is the probability that the first unbelted driver is the 6 car stopped ? c) If they stop 16 cars during the first hour, what is the probability that 6 drivers did not wear their...
Homework: Section 4.3 Homework Save Dwscore: 26.67%, 4 of Score: 0 of 1 pt 14 of 15 (4 complete) 4.3.28 Question Help Assume that police estimate that 18% of drivers do not wear their seatbelts. They set up a safety roadblock, stopping cars to check for seatbelt use. They stop 40 cars during the first hour. a. Find the mean, variance, and standard deviation of the number of drivers expected not to be wearing seatbelts Use the fact that the...
Police estimate that 77% of drivers wear their seatbelts. They set up a safety roadblock, stopping cars to check for seatbelt use. If they stop 110 cars, what is the probability they find at least 27 drivers not wearing their seatbelts? Use a Normal approximation. The probability is (Type an integer or a decimal rounded to four decimal places as needed.)
Police estimate that 73% of drivers wear their seatbelts They set up a safety roadblock, stopping cars to check for seatbelt use. If they stop 120 cars, what is the probability they find at least 28 drivers not wearing their seatbelts? Use a Normal approximation. The probability is Type an integer or a decimal rounded to four decimal places as needed.)
6) According to a recent government report, 87% of drivers now use seat belts regularly. Suppose a police officer at a road check randomly stops ten cars to check for seat belt usage. Gradet a) What is the probability that at least eight drivers were wearing their seat belt? Communication strong --------> weak Grade! 5 4 3 2 1 b) What is the probability that all ten drivers were wearing their seat belt? Communication strong -- ---- weak XI Grade:...
A. After reading Mebane's story "The Back of the Bus": 1. How do paragraphs 1 & 2 introduce the story? 2. How does the author set historical context (cite specific example from the story). 3. How does the author set emotional context? (cite specific example from the story). MARY MEBANE THE BACK OF THE BUS Mary Mebane (1933-1992) was a member of the last generation of African Americans to endure legal segregation in the South. The daughter of a dirt...
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