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Mathematics, 29.01.2020 04:47 karmalol2271
Suppose two dice are tossed and the numbers on the upper faces are observed. let s denote the set of all possible pairs that can be observed. [these pairs can be listed, for example, by letting (2,3) denote that a 2 was observed on the first die and a 3 on the second.]
define the following subsets of s:
a: the number on the second die is even.
b: the sum of the two numbers is even.
c: at least one number in the pair is odd.
list the points in a, c bar, a inserts b, a inserts b bar, a bar unions b, and a bar inserts c.
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