The answer is C you have to convert 20 % in a decimal 0.2
Maybe another day in the life of who knows what im talking about
Step-by-step explanation:
A voluntary response sample is defined as a type of sample made up of self-chosen participants. These participants volunteer to take part in different research studies to share their opinions on topics that interest them. A voluntary response sample is made up of persons who volunteer to take research surveys.
The angle vertical to it is DF
