Rubella During the last 13 years in the United States, there were 138 cases of rubella. a.
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Rubella During the last 13 years in the United States, there were 138 cases of rubella.
a. Find the mean number of cases of rubella per year. Round the result to four decimal places.
b. Find the probability of no cases of rubella in a year.
c. Find the probability of exactly 9 cases of rubella in a year. How does it compare to the 2¨years among 13 that had exactly 9 cases of rubella?
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Related Book For
Biostatistics For The Biological And Health Sciences
ISBN: 9780134039015
2nd Edition
Authors: Marc Triola, Mario Triola, Jason Roy
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