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Proposal Number Sense Interactive Quiz Lesson Plans History Problem Bank Glossary Quotes Helpful Links References
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Gerver Algebra 2, 123-124 PT: Binomial Distribution, Bernoulli trials, Independent Events RW: Quality Control On an assembly line of
Acme Radio, the probability that a radio is defective is 1/15.
If an inspector randomly checks 10 items, what is the probability
of finding: a) exactly 2 defective b) no more than 2 defective c)
at least 3 defective Mathematics Teacher, Vol. 92, No. 4, April 1999, p. 307 PT: Joint Probability, Binomial Distribution RW:
Printer Components The Acme Printer Company manufactures a laser printer made from 298 individual components. The printers were designed so that the failure of any part would not affect the performance of any other part. The warranty on the printers is one year, and the company desires to reduce the rate of failure within the warranty period of the printers to 1%. Subsequently, the Acme Printer Company discovers that 95% of its printers do not work. The president of the company feels that the suppliers have been dishonest and wants the suppliers to be displaced. You are a lawyer and a mathematician who must show the president that the suppliers you represent are honest. Using what you know of probability how might you do this? (Hint:
Use joint probability and possibly binomial distribution) Key to Problem Bank:
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