【单选题】The random variable for a chi-square distribution may assume
A.
any value between -1 to 1
B.
any value between - infinity to +infinity
D.
any value greater than zero
【单选题】Suppose the random variable X has the following probability distribution: Find E(3X+1)=?
【简答题】Using the following probability distribution table of the random variable x, what is the probability of x = 3?
【单选题】下列各类计算机程序语言中,不属于高级程序设计语言的是
【判断题】预防隧道施工塌方的主要施工措施有选择安全合理的施工方法、加强坍方的预测、加强初期支护等。
【判断题】Suppose the random variable【图片】follows the Cauchy【图片】distribution.Then the expectation【图片】does not exist.
【单选题】In a continuous probability distribution, the random variable:
A.
is limited to certain values.
B.
may be any value within a certain range.
C.
may have a probability greater than 1.00.
【判断题】预防隧道施工塌方的主要施工措施有选择安全合理的施工方法、加强坍方的预测、加强初期支护等。