当n大于100时，总体率95%的可信区间估计为（）。

A . 某现象实际发生数/可能发生某现象的观察单位总数×K B . p±1.96×Sp C . 某一构成部分的个体数/事物各构成部分个体数的总和×100% D . p±2.58×Sp E . p±2.33×S

A . ρ±1.65Sp B . ρ±1.96Sp C . ρ±2.58Sp D . ρ±1.96S E . ρ±2.58S

A . P±2.58S B . P±1.96S C . P±1.96S D . P±2.58S E . X±1.96S

A . 47.55～52.45% B . 48.75～51.25% C . 45～55% D . 49.68～50.32% E . 据此资料不可推知

A . P±2.58S B . P±1.96S C . P±1.96S D . P±2.58S E . X±1.96S

A . p±2.58s B . p+1.645s C . p±1.96s D . π±1.96σ E . X±1.96s

A . p±l.96s B . p±1.96ς C . p±2.58ς D . p±1.96s

A . P±2.58Sp B . P±1.96Sp C . P±1.96Sx D . P±2.58Sx E . X±1.96Sx

A . p±1.65S B . p±1.96S C . p±2.58S D . p±1.96S E . p±2.58S

A .https://assets.asklib.com/psource/2015092210271490529.jpg ±1.96SB .https://assets.asklib.com/psource/2015092210281221133.jpg C .https://assets.asklib.com/psource/2015092210271490529.jpg ±1.96σhttps://assets.asklib.com/psource/2015092210271490529.jpg D .https://assets.asklib.com/psource/2015092210281763233.jpg E .https://assets.asklib.com/psource/2015092210271490529.jpg +1.96Shttps://assets.asklib.com/psource/2015092210271490529.jpg

A . 某现象实际发生数/可能发生某现象的观察单位总数×K B . p±1.96×Sp C . 某一构成部分的个体数/事物各构成部分个体数的总和×100% D . p±2.58×Sp E . p±2.33×S

A . p±1.65S B . p±1.96S C . p±2.58S D . p+1.96S E . p±2.58S

A . p±1.96s B . p±1.96σ C . p±2.58σ D . p±1.96

A . 正确 B . 错误