设总体~,是的样本,分别是样本均值和样本方差,则服从( ) -题库考试答案搜索网

设总体~,是的样本,分别是样本均值和样本方
差,则服从( )

单选题

2021-07-17 23:15

A、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/15455300413744162813b3dab496699efc72520e98463image89.png">
B、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/1545530041456cb781fa432d8479d950fbe8e5b090e3fimage90.png">
C、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/15455300415412bfa317171d64fbeadf1df595b3956a3image91.png">
D、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/154553004162988e8cd86e62948ee8e746fba74cb9862image92.png">

查看答案

正确答案

试题解析

标签：工商管理专升本经济数学练习题

感兴趣题目

设a=2，b=3，c=4，d=5，下列表达式的值是（）。 3>2*b Or a=c And bc Or ba+c

设a2，b=3，c=4，d=5，则下面语句的输出是Print 3>2*b Or a=c And b<>c Or c>d

设t=2，b=3，c=4，d=5，则下面语句输出的是（）。 Print3>2*b Or a=c And bc Or c>d

翻译：With Average or With Particular Average（WA or WPA）（）

设a=′′a′′，b=′′b′′，c=′′c′′，d=′′d′′，执行语句x=IIf（（ad），′′A′′，′′B′′）后，x的值为（　　）。

Every deliberate act of wrongdoing by the master or any of the crew against the ship or cargo，without the authorization or privity of the Shipowner or his agent，is（）.

（）, or drum is used for hauling in or letting out the wires or ropes which will fasten the ship to the shore.

A salvor may be（）the whole or part of the payment due under Salvage Convention to the extent that the salvage operations have become necessary or more difficult because of fault or neglect on his part or if the salvor has been guilty of fraud or other dishonest conduct.

The （） is used for hauling in or letting out the wires or ropes.

Vessels must be（）valid certificate of nationality or certificated of registry or license.

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。