11.97 Sunscreen Use. Industry Research polled teenagers on sunscreen use. The survey revealed that $46\%$ of teenage girls and $30\%$ of teenage boys regularly use sunscreen before going out in the sun.
a. Identify the specified attribute.
b. Identify the two populations.
c. Are the proportions $0.46(46\%)$ and $0.30(30\%)$ sample proportions or population proportions? Explain your answer.

To identify the specified attribute. Let, the survey revealed that $46\%$of teenage girls and $30\%$ of teenage boys regularly use sunscreen before going out in the sun

Before going out in the sun, $46$percent of adolescent females and $30$percent of teenage guys wear sunscreen on a daily basis.
Before going out in the sun, $46$percent of adolescent females and $30$percent of teenage guys wear sunscreen on a daily basis.
The provided attribute in this statement is to apply sunscreen before going outside in the sun.
As a result, before going out in the sun, the stated characteristic is to use sunscreen.

To identify the two populations. Let, The survey revealed that $46\%$ of teenage girls and $30\%$ of teenage boys regularly use sunscreen before going out in the sun.

Before going out in the sun, $46$percent of adolescent females and $30$ percent of teenage guys wear sunscreen on a daily basis.
Before going out in the sun, $46$percent of adolescent females and $30$ percent of teenage guys wear sunscreen on a daily basis.
The debate in this statement is solely about females and boys.
As a result, there are two populations: adolescent guys and adolescent girls.
As a result, the two populations are adolescent boys and adolescent girls.

To explain the proportions $0.46(46\%)$ and $0.30(30\%)$ sample proportions or population proportions.

Before going out in the sun, $46$percent of adolescent females and $30$ percent of teenage guys wear sunscreen on a daily basis.
Since then, there have been two distinct populations.
There are two samples proportions because the industry research obtained proportions by polling samples of the populations of all adolescent boys and teenage girls.
Asa result, the $0.46$and $0.30$ amounts are sample proportions.