皮皮学，免费搜题
登录
搜题
【单选题】
对正态总体的数学期望μ进行假设检验，如果在显著水平0.05下接受H0: μ＝μ0，那么在显著水平0.01下，下列结论中正确的是A.
必须接受H0
B.
可能接受，也可能拒绝H0
C.
必拒绝H0
D.
不接受，也不拒绝H0
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【多选题】There are sme stages of overall analytical process in an environmental investigation.Which of the following are correct?（ ）
A.
definition of the aims；
B.
selection and development of appropriate method；
C.
sampling plan，sample collection，sample handing and pretreatment；
D.
separations；
E.
final measurements;
F.
method validation;
G.
assessment and interpretation of results;
H.
safety；
【单选题】Which of the following in NOT true about the air crash yesterday irt Afghanistan7
A.
There were 24 passengers in the helicopter.
B.
More than half of the passengers were hurt.
C.
The helicopter made a wrong landing.
D.
The helicopter attempted to land in a difficult terrain.
【简答题】电流流过电阻产生热量为Q=0.24IRt。
【简答题】[A] stages [B] periods [C] years [D] sessions
【简答题】The stages of sleep take on ____Sleep is part of a person's daily activity cycle. There are several different stages of sleep, and they too occur in cycles. If you are an average sleeper, your sleep c...
相关题目：
参考解析：
知识点：
题目纠错 0
发布
