Total = principal * (1 + rate)^years
Total = 3,400 * (1.022)^.25
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3,418.55
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</span>
</span>
So, after 3 months, $18.55 in interest is earned.
(a) I have the line plot attached
(b) Purple mean: 30
Red mean: 36
Purple median: 30
Red median: 36
I'm sorry, that is as much as I can help with, I really am sorry.
So I hope this helps and is exactly what you are looking for