题目 Which of the following statements is correct with respect to the p-value? 选项 A.It is a less precise measure of test evidence than rejection points. B.It is the largest level of [...]
题目 In a discrete uniform distribution with 20 potential outcomes of integers 1 to 20, the probability that X is greater than or equal to 3 but less than 6, P(3 ≤ X ＜ 6), is: 选项 A.0.10. [...]
题目 Which of the following is characteristic of the normal distribution? 选项 A.Asymmetry B.Kurtosis of 3 C.Definitive limits or boundaries 答案 B 解析 ： B is correct. The normal [...]
题目 An analyst is examining a large sample with an unknown population variance. Which of the following is the most appropriate test to test the hypothesis that the historical average return on an [...]
题目 A call option on a stock index is valued using a three-step binomial tree with an up move that equals 1.05 and a down move that equals 0.95. The current level of the index is $190, and the [...]
题目 A population has a non-normal distribution with mean μ and variance σ^2. The sampling distribution of the sample mean computed from samples of large size from that population will have: [...]
题目 A random number between zero and one is generated according to a continuous uniform distribution. What is the probability that the first number generated will have a value of exactly 0.30? [...]
题目 A sample mean is computed from a population with a variance of 2.45. The sample size is 40. The standard error of the sample mean is closest to: 选项 A.0.039. B.0.247. C.0.387. 答案 B [...]
题目 The probability of correctly rejecting the null hypothesis is the: 选项 A.p-value. B.power of a test. C.level of significance. 答案 B 解析 ： B is correct. The power of a test is the [...]
题目 An analyst tests the profitability of a trading strategy with the null hypothesis being that the average abnormal return before trading costs equals zero. The calculated t-statistic is 2.802, [...]
