Statistics
Mary has a savings account and is earning 10% annual interest compounded semiannually. If she deposits $2,000 in the account every six months for three years, what will the future value of her account be? How much interest will she have earned?
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Carrie

so, at 5% per period, after 6 periods, the account will have
2000*1.05^6 + 2000*1.05^5 + ... + 2000
= 2000(1.05^7  1)/0.05 = 16284.02posted by Steve
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