Can someone help me with this 2 part question there are 2 pictures
1 answer:
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Solution :
We have to prove that (De-Morgan's law)
Let then
and
and so and
.
Thus, and so
Hence, .........(1)
Now we will show that
Let ⇒
Thus x is present neither in the set A nor in the set B, so by definition of the union of the sets, by definition of the complement.
and
Therefore, and we have
.............(2)
From (1) and (2),
Hence proved.
Answer:
The subsidized housing community in the lower East side of New York City is a dynamic population because people moved out of the population and others died while the survey was still being conducted.
The prevalence of TB on the screened community on January 1st is
Step-by-step explanation:
Prevalence is given by; the number of persons affected by TB/ total number of people in the the study or survey.