The book _______is not available at the library. A: at question B: on question C: in question D: for question
The book _______is not available at the library. A: at question B: on question C: in question D: for question
His honesty is _____________. A: beyond question B: out of the question C: in question D: no question
His honesty is _____________. A: beyond question B: out of the question C: in question D: no question
设随机变量X~b(4,1/3)，则P{X>2}=_______。 A: 16/81 B: 9/81 C: 33/81 D: 48/81
设随机变量X~b(4,1/3)，则P{X>2}=_______。 A: 16/81 B: 9/81 C: 33/81 D: 48/81
Example 4 Question 1: ________. Question 2: ________. Question 3: ________.
Example 4 Question 1: ________. Question 2: ________. Question 3: ________.
抽取一个容量为100的样本,均值为81,标准差为12,则总体均值95%的置信区间为: A: 81±1.94 B: 81±2.35 C: 81±3.10 D: 81±0.045
抽取一个容量为100的样本,均值为81,标准差为12,则总体均值95%的置信区间为: A: 81±1.94 B: 81±2.35 C: 81±3.10 D: 81±0.045
His honesty is____. A: beyond question B: without question C: out of the question D: out of question
His honesty is____. A: beyond question B: without question C: out of the question D: out of question
抽取一个容量为100的随机样本，其均值为81，标准差为12，总体均值μ的95%的置信区间为（）。 A: 81±1.97 B: 81±2.35 C: 81±3.10 D: 81±3.52
抽取一个容量为100的随机样本，其均值为81，标准差为12，总体均值μ的95%的置信区间为（）。 A: 81±1.97 B: 81±2.35 C: 81±3.10 D: 81±3.52
The job ( ) is available for three months only. A: out of question B: out of the question C: in question D: under question
The job ( ) is available for three months only. A: out of question B: out of the question C: in question D: under question
Question A is ________ than Question B.
Question A is ________ than Question B.
His honesty is ______ ; nobody can doubt it. A: in question B: beside the question C: out of the question D: out of question
His honesty is ______ ; nobody can doubt it. A: in question B: beside the question C: out of the question D: out of question