3. You purchase a car using a $20,000 loan with a 5% simple interest rate.
2 answers:
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Answer:
The relative frequency of mammals in the survey is 30%.
Step-by-step explanation:
Relative frequency is the ratio of the occurrence of a singular event and the total number of outcome
Amphibians Insects Fish Reptiles Birds Mammals
12 30 9 25 22 42
Relative frequency =
Total number of wildlife animals = 12+ 30 +9 +25+22+42 = 140
Now the relative frequency of mammals in the survey =
the relative frequency of mammals in the survey = = 0.3
Converting into percentage , we get
=
= 30 %