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What is the ratio of the average number of catfish to the average number of all fish in the samples?
StartFraction Average number of catfish over average number of fish EndFraction = StartFraction (3 + 5 + 7) divided by 3 over 20 EndFraction
1:7
1:4
2:5
3:4

Respuesta :

calculista

Answer:

1:4

Step-by-step explanation:

Let

x ----> average number of catfish

y ---> average number of fish

we know that

[tex]\frac{x}{y} =\frac{(3+5+7)/3}{20}[/tex]

[tex]\frac{x}{y} =\frac{5}{20}[/tex]

simplify

[tex]\frac{x}{y} =\frac{1}{4}[/tex]

or

[tex]x:y=1:4[/tex]

mikaelaehrman

Answer:

So it would be B, 1:4, did it on edge 2020 and I got it right. hope it helps you guys out!

Step-by-step explanation:

:) hope it helps