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Identity whether each statement is well - defined set or not.

_1.A set of happy people
_2.Set of prime numbers
_3.Set of Philippines President
_4.Set of whole numbers
_5.Set of colors in a rainbow
_6.Set of good students
_7.Set of large numbers
_8.Set of all positive multiples of 5
_9.Set of rich people


Sagot :

TIP: to be able to answer this, a well-defined set means that it is specific, for example, A set of red fruits in the Philippines. It is specified because it used the word “RED”, if the given set is A set of fruits in the Philippines, it is not well-defined since there are many fruits in the Philippines.