17. According to Chebyshev inequality, the probability that the distance between a random variable and the expected value of the random variable is no greater than three times of standard deviation is no less than (A) (B) (C) (D)

11. To test that per capita GDP of Taiwan in 2019 is no less than twenty thousand US dollars, if the significant level is 5%, which of the following statement is true? (A) Two tailors test is needed. (B) Right tailor is needed. (C) If the P-value is 0.03, then we cannot rejected null hypothesis. (D)For a given sample, the P-value is negatively related to the per capita GDP level that we want to test.

17. According to Chebyshev inequality, the probability that the distance between a random variable and the expected value of the random variable is no greater than three times of standard deviation is no less than
(A)
(B)
(C)
(D)

相關試題

相關試卷