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2 answers:
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A=2(1+)a^2=2·(1+
)·20^2≈1931.37085cm²
Answer:
D
Hey There!
To find the answer you have to add the frequencies of all of them and take the frequency of 3 people being in a car and divide that by the sum of all of the frequencies if that makes sense
37+98+40+25=200
The frequency of 3 people being in a car is 40
so we would do
which is equal to
Therefore D is your answer