計(jì)算題:要度量某軟件的質(zhì)量要素F2(可靠性),假設(shè)C23=0.2,C24=0.3,C25=0.3,C26=0.2,其余的C2k=0,F(xiàn)2對(duì)一致性的測量值M3=0.8、對(duì)容錯(cuò)性的測量值M4=0.7、對(duì)準(zhǔn)確性的測量值M5=0.6,對(duì)簡單性的測量值M6=0.5,試求可靠性的度量值F2。