Respuesta :
A= 20%
B= 33%
What is Relative Frequency?
Relative frequency is simply the number of outcomes in a particular subgroup (f) divided by the total number of outcomes in an experiment (n).
Thus, Relative frequency= f/n
In the above question, we need to find the relative frequencies of 2 subgroups- lifeguards and retail.
For lifeguards, f=3 and n=15
∴ Relative Frequency (A) = [tex]\frac{3}{15}[/tex]
Since we've to express it in percentage form,
A= [tex]\frac{3}{15}[/tex] * 100
= 20%
Similarly for retail-
B= [tex]\frac{5}{15}[/tex] * 100
= 33%
Thus, A= 20% and B= 33%
Learn more about relative frequency here-
https://brainly.com/question/16148316
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