A new county hospital is attempting to determine whether it needs to add a particular specialist to its staff. Five percent of the general hospital population in the county contracts the illness the specialist would treat. If 12 patients check into the hospital in a day, what is the probability that 4 or more will have the illness?

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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A new county hospital is attempting to determine whether it needs to add a particular specialist
to its staff. Five percent of the general hospital population in the county contracts the illness the
specialist would treat. If 12 patients check into the hospital in a day, what is the probability that
4 or more will have the illness?

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