Statistics - Probability
Not what you're looking for?
The probability is 1 in 4,000,000 that a single auto trip in the U.S. will result in a fatality. Over a lifetime, an average U.S. driver takes 50,000 trips. (a) what is the probability of a fatal accident over a lifetime? Explain your reasoning carefully. Hint: Assume independent events. Why might the assumption of independence be violated? (b)Why might a driver be tempted not to use a seatbelt "just on this trip"?
Purchase this Solution
Solution Summary
A Complete, Neat and Step-by-step Solution is provided.
Solution Preview
(a) n = 50000, p = 1/4000000 = 2.5 * 10^-7, q = 1 - p = 0.99999975
P(r fatalities in n trips) = nCr p^r q^(n - r)
P(At least one trip will be fatal) = 1 - None of the 50000 trips will be fatal = 1 - ...
Purchase this Solution
Free BrainMass Quizzes
Measures of Central Tendency
This quiz evaluates the students understanding of the measures of central tendency seen in statistics. This quiz is specifically designed to incorporate the measures of central tendency as they relate to psychological research.
Know Your Statistical Concepts
Each question is a choice-summary multiple choice question that presents you with a statistical concept and then 4 numbered statements. You must decide which (if any) of the numbered statements is/are true as they relate to the statistical concept.
Terms and Definitions for Statistics
This quiz covers basic terms and definitions of statistics.
Measures of Central Tendency
Tests knowledge of the three main measures of central tendency, including some simple calculation questions.