Set of numbers is the most reasonable to describe a person's hat size is rational numbers.
What is number ?
" Number is defined as the count of any given quantity."
According to the question,
Set of numbers represent most reasonable hat size
A. Integers : Integers are set of positive and negative whole numbers including zero.
Hat size can not be zero or negative .
Option (A) is not the correct answer.
B. Whole numbers : All the positive numbers including zero.
Hat size can not be zero.
Option (B) is not the correct answer.
C. Irrational number : Number which can not be written in fraction form.
Hat size can not be represent in irrational form as it does not give appropriate measure.
Option (C) is not the correct answer.
D. Rational numbers : Rational numbers are numbers which expressed in [tex]\frac{x}{y} , y\neq 0[/tex] .
For example : Hat size can be [tex]5\frac{1}{2}[/tex] units which represents rational numbers.
Hence, Option (D) is the correct answer.
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