When the number of trials, n, is large, binomial probability tables may not be available. Furthermore, if
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To illustrate this approximation, in the movie Coma, a young female intern at a Boston hospital was very upset when her friend, a young nurse, went into a coma during routine anesthesia at the hospital. Upon investigation, she found that 10 of the last 30,000 healthy patients at the hospital had gone into comas during routine anesthesias. When she confronted the hospital administrator with this fact and the fact that the national average was 6 out of 100,000 healthy patients going into comas during routine anesthesias, the administrator replied that 10 out of 30.000 was still quite small and thus not that unusual.
a. Use the Poisson distribution to approximate the probability that 10 or more of 30.000 healthy patients would slip into comas during routine anesthesias, if in fact the true average at the hospital was 6 in 100,000.
b. Given the hospital's record and part a, what conclusion would you draw about the hospital's medical practices regarding anesthesia? Distribution
The word "distribution" has several meanings in the financial world, most of them pertaining to the payment of assets from a fund, account, or individual security to an investor or beneficiary. Retirement account distributions are among the most...
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Business Statistics In Practice
ISBN: 9780073401836
6th Edition
Authors: Bruce Bowerman, Richard O'Connell
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