Download PDF by Richard J. Larsen, Morris L. Marx: An introduction to mathematical statistics and its

By Richard J. Larsen, Morris L. Marx

ISBN-10: 0321693949

ISBN-13: 9780321693945

ISBN-10: 0321766563

ISBN-13: 9780321766564

Noted for its integration of real-world info and case reports, this article deals sound insurance of the theoretical features of mathematical records. The authors reveal how and whilst to take advantage of statistical tools, whereas reinforcing the calculus that scholars have mastered in earlier classes. all through the 5th Edition, the authors have extra and up to date examples and case reports, whereas additionally refining present good points that express a transparent direction from conception to practice.


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Extra resources for An introduction to mathematical statistics and its applications

Example text

One hundred voters were asked their opinions of two candidates, A and B, running for mayor. 3. 2, what does P[(A ∩ B)|(A ∪ B)C ] equal? 6. 6. Find P(A) and P(B). 7. An urn contains one red chip and one white chip. One chip is drawn at random. If the chip selected is red, that chip together with two additional red chips are put back into the urn. If a white chip is drawn, the chip is returned to the urn. Then a second chip is drawn. What is the probability that both selections are red? 8. Given that P(A) = a and P(B) = b, show that P(A|B) ≥ a+b−1 b Number Saying “Yes” Do you like A?

The event that exactly one (of the two) occurs. b. the event that at most one (of the two) occurs. Getting expressions for each of these is easy if we visualize the corresponding Venn diagrams. 5 represents the event E that either A or B, but not both, occurs (that is, exactly one occurs). 5 B 26 Chapter 2 Probability Just by looking at the diagram we can formulate an expression for E. The portion of A, for example, included in E is A ∩ B C . Similarly, the portion of B included in E is B ∩ AC .

What is P(A|B)? 4. 4 The possibility of importing liquified natural gas (LNG) from Algeria has been suggested as one way of coping with a future energy crunch. Complicating matters, though, is the fact that LNG is highly volatile and poses an enormous safety hazard. S. port could result in a fire of catastrophic proportions. The question, therefore, of the likelihood of a spill becomes critical input for future policymakers who may have to decide whether or not to implement the proposal. Two numbers need to be taken into account: (1) the probability that a tanker will have an accident near a port, and (2) the probability that a major spill will develop given that an accident has happened.

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An introduction to mathematical statistics and its applications by Richard J. Larsen, Morris L. Marx

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