下列事件中，不属于严格意义上的随机事件的是______。
A．从一大批合格率为90%的产品中任意抽取一个产品是不合格品
B．从一大批合格率为90%的产品中任意抽取20个产品都是不合格品
C．从一大批合格率为15%的产品中抽取20件都是合格的
D．从一大批合格率为100%的产品中抽取任意一件都是合格品
参考答案：D
解析： D项中的事件是必然事件，不属于随机事件的范畴。
XYZ company has entered into a "plain-vanilla" interest rate swap on $1000000 notional principal. XYZ company pays a fixed rate of 8 percent on payments that occur at 90-day intervals. Six payments remain with the next one due in exactly 90 days. On the other side of the swap, XYZ company receives payments based on the LIBOR rate. Describe the transaction between XYZ company and the dealer at the end of the fourth period if the appropriate LIBOR rate is 9.2 percent.
A．
| A. XYZ company pays dealer $3000. |
B．
| B. Dealer receives $20000. |
C．
| C. Dealer pays XYZ company $3000. |