Purchase Solution

Joint probability

Not what you're looking for?

Ask Custom Question

See attachment

Newspaper article frequently cite the fact that in any one year a small percentage (say 10%) of all drivers are responsible for all automobile accidents. The conclusion is often reached that if only we could single out these accident-prone drivers and either retrain them or remove them from the reads we could drastically reduce auto accidents. You are told that of 100,000 drivers who are involved in one or more accidents in one year, 11,000 of them were involved on one or more accidents the next year
Given the above information complete the entries in the joint probability table below

First Second
Year year Accident No Accident Marginal probability
Of event in prior year
Accident .10
No Accident .90
Marginal probability of event in second year .10 .90 1.00

b) Is searching for accident-prone drivers is an effective way to reduce auto accidents? Explain

Purchase this Solution

Solution Summary

This shows how to complete a joint probability table. The marginal probability of event in second year are found.

Solution Preview

Row 1, column 1:
probability that a driver involved in one or more accident this year will have the chance of accident in next year
p(AA) = 0.1*(11000/100000) = 0.1*0.11= 0.011 --Answer

Row 1, column 2:
probability that a driver involved in one or more accident this year will not be involved ...

Solution provided by:
  • BEng, Allahabad University, India
  • MSc , Pune University, India
  • PhD (IP), Pune University, India
Recent Feedback
  • " In question 2, you incorrectly add in the $3.00 dividend that was just paid to determine the value of the stock price using the dividend discount model. In question 4 response, it should have also been recognized that dividend discount models are not useful if any of the parameters used in the model are inaccurate. "
  • "feedback: fail to recognize the operating cash flow will not begin until the end of year 3."
  • "Answer was correct"
  • "Great thanks"
  • "Perfect solution..thank you"
Purchase this Solution

Free BrainMass Quizzes
Geometry - Real Life Application Problems

Understanding of how geometry applies to in real-world contexts

Multiplying Complex Numbers

This is a short quiz to check your understanding of multiplication of complex numbers in rectangular form.

Know Your Linear Equations

Each question is a choice-summary multiple choice question that will present you with a linear equation and then make 4 statements about that equation. You must determine which of the 4 statements are true (if any) in regards to the equation.

Exponential Expressions

In this quiz, you will have a chance to practice basic terminology of exponential expressions and how to evaluate them.

Probability Quiz

Some questions on probability