I narrowly answered the first question on my homework but for some reason EF really confuses me.

Peza asked Nov 24, 2023

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13 votes

Peza asked Nov 24, 2023

by Peza

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21 votes

Solution

Part 1

For this case we can find DF with the following proportion formula:

And replacing we got:

Part 2

And solving for EF we got:

$EF=1.34\cdot(3)/(2)=2.01$

Pengibot answered Nov 28, 2023

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