2020年CFA考试《CFA一级》考试共240题，分为单选题。小编每天为您准备了5道每日一练题目（附答案解析），一步一步陪你备考，每一次练习的成功，都会淋漓尽致的反映在分数上。一起加油前行。

1、An increase in which of the following items is most likely to result in a wider confidence interval for the population mean?【单选题】

A.Sample size

B.Reliability factor

C.Degrees of freedom

正确答案:B

答案解析:“Sampling and Estimation,” Richard A. Defusco, CFA, Dennis W. McLeavey, CFA, Jerald E. Pinto, CFA, and David E. Runkle, CFA
2010 Modular Level I, Vol. 1, pp. 487-493
Study Session 3-10-j
Calculate and interpret a confidence interval for a population mean, given a normal distribution with 1) a known population variance, 2) an unknown population variance, or 3) an unknown variance and a large sample size.
An increase in the reliability factor (the degree of confidence) increases the width of the confidence interval. Increasing the sample size and increasing the degrees of freedom both shrink the confidence interval.

2、With respect to the Standards of Professional Conduct relating to responsibilitiesof supervisors, a member with supervisory responsibilities should be prepared toenforce policies :【单选题】

A.more investment activities.

B.more non-investment-related activities.

C.investment activities and non-investment-related activities equally.

正确答案:C

答案解析:作为监管者，CFA会员应该同等地实施与投资行为相关的和与投资行为不相关的公司政策。

3、The management fee of a private equity fund that has not yet invested all of its committed capital is most likely based on:【单选题】

A.remaining capital.

B.committed capital.

C.invested capital.

正确答案:B

答案解析:The management fee of private equity funds is based on committed capital until the committed capital is fully drawn down and invested. This approach is in contrast to hedge funds, for which the management fee is based on invested capital.
2014 CFA Level I
"Introduction to Alternative Investments," by Terri Duhon, George Spentzos, and Scott D. Stewart
Section 4.1

4、Which type of fixed-income security is most likely to have coupon payments that reset periodically?【单选题】

A.Floating-rate notes

B.Callable bonds

C.Convertible bonds

正确答案:A

答案解析:A floating-rate bond does not have a fixed coupon rate over its life. Instead, its coupon payments reset periodically according to some reference rate, such as the one-month London interbank offered rate (LIBOR).
2014 CFA Level I
"Fixed-Income Markets: Issuance, Trading, and Funding," by Moorad Choudhry, Steve V. Mann, and Lavone F. Whitmer
Sections 2.1 and 6.3

5、A factor that most likely measures a client's ability to bear risk is his or her:【单选题】

A.time horizon.

B.inclination to independent thinking.

C.personality type.

正确答案:A

答案解析:A longer time horizon tends to imply greater ability to take risk.
2014 CFA Level I
"Basics of Portfolio Planning and Construction," by Alistair Byrne and Frank E. Smudde
Section 2.2.1