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The key word here is coupon bond. While an investor in a fixed-coupon bond can usually eliminate price risk by holding a bond until maturity, the same is not true for reinvestment risk. The receipt of periodic coupons exposes the investor to the risk that he will have to invest the coupons at a lower rate, thus negatively impacting his holding period return. An investor can greatly decrease reinvestment risk by holding a zero-coupon, noncallable bond that is not subject to other prepayments (or embedded options). Zero-coupon bonds deliver all cash flows in one lump sum at maturity.

The other statements about bond yield calculations and reinvestment risks are correct.