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ismailhajisaid29101
ismailhajisaid29101
26.11.2019 • 
Mathematics

A) consider a disease outbreak in which each individual has a ¼ probability of infecting 0 people, a ¼ probability of infecting 1 person, a ¼ probability of infecting between 2 and 5 people (spread uniformly over the interval), and a ¼ probability of infecting between 6 and 13 people. what is the expected number of people an individual will infect?

b) write an appropriate probability mass function for the random variable x, the infection rate of a single person.

question 2

the average birthweight of babies in the united states is 7.7 pounds, with 5% of babies being between 7.5 and 7.9 pounds, 50% being between 7 and 8.4 pounds, and 95% being between 5.5 and 11 pounds. what is the probability that a baby weighs exactly 7.7 pounds? (hint: the answer is not 0)

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