MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
expand_more
expand_more
format_list_bulleted
Related questions
Concept explainers
Question
- 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?
Expert Solution
arrow_forward
Step 1
Given that 90% of drivers buckled up(wear seat belt).
The percentage of drivers without seat belt is,= 100%-90%=10%=10/100=0.10
Let the random variable x be the number of cars stopped to get the first driver without Seat belt.
The probability of success is considered as the percentage of drivers without seat belt. That is, p= 0.10
Here x follows geometric distribution with parameter p=0.10.
Therefore, the expected number of drivers to stop before finding a driver whose seatbelt is not buckled is ,
Trending nowThis is a popular solution!
Step by stepSolved in 3 steps with 3 images
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, statistics and related others by exploring similar questions and additional content below.Similar questions
- Background: To prevent crashes caused by running red lights, many states are installing cameras at dangerous intersections. These cameras are used to take photographs of the license plates of vehicles that run a red light. The Virginia Department of Transportation (VDOT) obtained data on the number of crashes per year caused by running a red light at 13 intersections in Fairfax County, Virginia. Source: Virginia Transportation Research Council, "Research Report: The Impact of Red Light Cameras (Photo-Red Enforcement) on Crashes in Virginia", June 2007 Directions: Perform an appropriate significance test to determine whether or not the reduction in the number of crashes was statistically significant. 1. Click on the Data button below to display the data. Copy the data into a statistical software package and click the Data button a second time to hide it. Data Before After 3.7 1.26 0.1 0 4.55 1.69 2.4 1.94 2.09 3.24 2.5 2.72 0.83 0.24 3.05 1.67 3.21 0.33 1.08 0.18 1.25 0.99 7.25 5.02 191…arrow_forwardThere are 25 students in Mr. Williamson's statistics class. On a cold winter day in February, many of the students had runny noses and sore throats. After examining each student, the collage's health center found the following rarrow_forwardAnswer the following questions accordingly. Take your time. Thanks in advance!arrow_forward
- Would observations or interviews be more appropriate to research the following topic?People's behaviors at dog parks.O ObservationO Interviewsarrow_forwardIn statistics, the data we work with is just one part of a bigger picture called the ____. In statistics, the data we work with is just one part of a bigger picture called thearrow_forwardWould observations or interviews be more appropriate to research the following topic?How politicians define family values.O ObservationsO Interviewsarrow_forward
- help please answer in text form with proper workings and explanation for each and every part and steps with concept and introduction no AI no copy paste remember answer must be in proper format with all workingarrow_forward9. In 2016 an online poll was conducted regarding the results of the 2016 NBA All-Star Dunk Contest. The poll asked 100,000 people, "Who [do you think] won the dunk contest?". The results are shown in the relative frequency table below Response Percentage Aaron Gordon 55% Zach Lavine 45%arrow_forwardDashboard C YouTube X M MyOpenMath ✔ Hints myopenmath.com/assess2/index.php?cid=167606&aid=11945494&r=641ba54e2ba44#/skip/13 myMCC | Middlesex... Dashboard = Google Docs NJ Athletic Confere... a) 68% of the students spend between b) 95% of the students spend between c) 99.7% of the students spend between Question Help: Submit Question Jump to Answer Untitled document - Google X ■ ■ For a 4-unit class like Statistics, students should spend average of 12 hours studying for the class. A survey was done on 23 students, and the distribution of total study hours per week is bell-shaped with a mean of 14 hours and a standard deviation of 3.4 hours. Use the Empirical Rule to answer the following questions. Q Search 2021 Football Stan... V 2021-2022 D3 Colle... GroupMe P Plagiarism Checker... MyOpen Math hours and hours and Written Example Message instructor Sy 1-(30)^5 hours and Answered: How the Classic X + VitalSource Booksh... hours on Statistics each week. 19 ☆ hours on Statistics each…arrow_forward
- Please assist with all questions and workings to learnarrow_forward3. The director of library services at Fairmont College did a survey of types of books (by subject) in the circulation library. Then she used library records to take a random sample of 4217 books checked out last term and classified the books in the sample by subject. The results are shown below. Subject Area % Books in Circ Library on this Subject No. of Books in the Sample on this Subject Business 32% 1210 Humanities 25% 956 Natural Science 20% 940 Social Science 15% 814 Other Subject 8% 297 Using a 5% level of significance, test the claim that the subject distribution of books in the library fits the distribution of books checked out by students.arrow_forwardQuestion 3. A researcher wished to gauge public opinion on gun control. He randomly selected 1000 people from the list of registered voters and asked them the following question: Do you believe that gun control laws which restricts the ability of Ghanaians to protect their families should be eliminated? i. Identify the two instances of inappropriate use of statistics in the approach used by the researcher. ii. Suggest a remedy for improving the approach used by the researcher.arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- MATLAB: An Introduction with ApplicationsStatisticsISBN:9781119256830Author:Amos GilatPublisher:John Wiley & Sons Inc
Probability and Statistics for Engineering and th...StatisticsISBN:9781305251809Author:Jay L. DevorePublisher:Cengage Learning
Statistics for The Behavioral Sciences (MindTap C...StatisticsISBN:9781305504912Author:Frederick J Gravetter, Larry B. WallnauPublisher:Cengage Learning 
Elementary Statistics: Picturing the World (7th E...StatisticsISBN:9780134683416Author:Ron Larson, Betsy FarberPublisher:PEARSON
The Basic Practice of StatisticsStatisticsISBN:9781319042578Author:David S. Moore, William I. Notz, Michael A. FlignerPublisher:W. H. Freeman
Introduction to the Practice of StatisticsStatisticsISBN:9781319013387Author:David S. Moore, George P. McCabe, Bruce A. CraigPublisher:W. H. Freeman
MATLAB: An Introduction with Applications
Statistics
ISBN:9781119256830
Author:Amos Gilat
Publisher:John Wiley & Sons Inc
Probability and Statistics for Engineering and th...
Statistics
ISBN:9781305251809
Author:Jay L. Devore
Publisher:Cengage Learning
Statistics for The Behavioral Sciences (MindTap C...
Statistics
ISBN:9781305504912
Author:Frederick J Gravetter, Larry B. Wallnau
Publisher:Cengage Learning
Elementary Statistics: Picturing the World (7th E...
Statistics
ISBN:9780134683416
Author:Ron Larson, Betsy Farber
Publisher:PEARSON
The Basic Practice of Statistics
Statistics
ISBN:9781319042578
Author:David S. Moore, William I. Notz, Michael A. Fligner
Publisher:W. H. Freeman
Introduction to the Practice of Statistics
Statistics
ISBN:9781319013387
Author:David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:W. H. Freeman