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The number of animals counted in wildlife observations of a celtain watering hole are shown by class and time of highest activity in the table below. Using the letters in the table, ﬁnd the cardinal number of each set. Mammals (A) Birds (B) Reptiles (C) Fish (D) Total Morning (E 104 31 21 90 246 Afternoon (F 40 14 2 56 112 Evening (G 10 15 33 45 103 Total 154 60 56 191 461 n(B n G) = _ n(E u C) = n(G U (An F))=

July 30, 2019/in Questions Uploads /by admin

The number of animals counted in wildlife observations of a celtain watering hole are shown by class and time of highest activity in the table below. Using the letters in the table, ﬁnd the cardinal number of each set. Mammals (A) Birds (B) Reptiles (C) Fish (D) Total
Morning (E 104 31 21 90 246
Afternoon (F 40 14 2 56 112
Evening (G 10 15 33 45 103
Total 154 60 56 191 461
n(B n G) = _
n(E u C) = n(G U (An F))=