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svp [43]
3 years ago
9

U = { x | x is the name of one of the states of in the US}

Mathematics
1 answer:
leva [86]3 years ago
3 0

Answer:

  • n(P') = 49
  • n(A' ∪ N) = 46
  • n(I' ∩ O') = 43
  • n(P∩N) = 0

Step-by-step explanation:

We can start with some helpful facts:

  • n(U) = 50
  • n(A) = 4
  • n(I) = 4
  • n(P) = 1
  • n(N) = 8
  • n(O) = 3

and all subsets are mutually exclusive.

__

n(P') = n(U) -n(P) = 50 -1 = 49

__

n(A' ∪ N) = n(A') = n(U) -n(A) = 50 -4 = 46

__

n(I' ∩ O') = n(U) -n(I) -n(O) = 50 -4 -3 = 43

__

n(P∩N) = 0 . . . . no states begin with the letter P and also with the letter N.

_____

For reference, here is a list of the relevant states:

{Alabama, Alaska, Arizona, Arkansas, Idaho, Illinois, Indiana, Iowa, Nebraska, Nevada, NewHampshire, NewJersey, NewMexico, NewYork, NorthCarolina, NorthDakota, Ohio, Oklahoma, Oregon, Pennsylvania}

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