Please in clear witting and explanation In any given year, a person may or may n

Question

Please in clear witting and explanation

In any given year, a person may or may not get the flu. Past records show that if a person has the flu one year then (due to a buildup of antibodies) there is a 90% chance that they will not get the flu in the following year. If they don't have a flu in a given year, then there is a 25% chance that they will get the flu the following year. If a person does not have the flu one year, what is the probability that they will also not have the flu 2 years later? in the long run. what proportion of years does a person have the flu?

Explanation / Answer

Solution:

(a) P = 0.95*0.75 = 0.713.

(b) Proportion of years does a person have the flu= 0.75 = 3/4

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