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Show work please Suppose a group of 42 persons include of 14 persons of Type A, 15 persons of type B, and 13 persons of

Show work please
Suppose a group of 42 persons include of 14 persons of Type A, 15 persons of type B, and 13 persons of Type C. How many different sets of 13 people can be formed? How many different ways can you select 4 persons of Type A? How many ways can you select 9 people who are not Type A? How many different ways can you select a grop of 13 people that includes exactly 4 persons of Type A? ' ' Suppose 13 people are selected at random, with every person equally likely to be selected. What is the probability the group of 13 people includes exactly 4 persons of Type A

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