Chapter 6 Day 4. Warm – Up. The table below shows the distribution of races in a particular city in the United States. Let A = person is Hispanic and Let B = person is White Does the table represent the entire population? Find P(A) Find P(B c )
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17. A. yes B. no, sum ≠ 1 C. yes
18. A. .295 B. .348 C. .1211
19. A. yes B. .43 C. .96
D. .28 E. .72
20. A. 1/38 B. 9/19 C. 6/19
21. Row 1
22. First child = ¼ Both = 1/16
Neither = 9/16
The union of any collection of events is the event that at least one of the collection occurs.
P(A or B) = P(A) + P(B) – P(A and B)
P(A U B) = P(A) + P(B) – P(A B)