Copyright © xiongma.cn & 雄马问答库(wd.xiongma.cn). All Rights Reserved. 桂ICP备2024028684号-3
题目类型:[单选]
D理财产品X的期望收益率=(14%+20%+35%+29%)/4=24.5%理财产品Y的期望收益率=(9%+16%+40%+28%)/4=23.25%协方差={(14%-24.5%)(9%-23.25%)+(20%-24.5%)(16%-23.25%)+(35%-24.5%)(40%-23.25%)+(29%-24.5%)(28%-23.25%))/4=0.9488%。故选D。