PRMIA PRM Certification - Exam II: Mathematical Foundations of Risk Measurement - 8002무료 덤프문제 풀어보기
Let X be a random variable distributed normally with mean 0 and standard deviation 1. What is the expected value of exp(X)?
정답: A
A biased coin has a probability of getting heads equal to 0.3. If the coin is tossed 4 times, what is the probability of getting heads at least two times?
정답: B
What is the maximum value of the function F(x, y)=x2+y2 in the domain defined by inequalities x 1, y -2, y-x 3 ?
정답: C
Maximum likelihood estimation is a method for:
정답: C
The gradient of a function f(x, y, z) = x + y2 - x y z at the point x = y = z = 1 is
정답: A
A linear regression gives the following output:
Figures in square brackets are estimated standard errors of the coefficient estimates. What is the value of the test statistic for the hypothesis that the coefficient of is zero against the alternative that is less than zero?
Figures in square brackets are estimated standard errors of the coefficient estimates. What is the value of the test statistic for the hypothesis that the coefficient of is zero against the alternative that is less than zero?
정답: D
A linear regression gives the following output:
Figures in square brackets are estimated standard errors of the coefficient estimates.
What is the value of the test statistic for the hypothesis that the coefficient of is less than 1?
Figures in square brackets are estimated standard errors of the coefficient estimates.
What is the value of the test statistic for the hypothesis that the coefficient of is less than 1?
정답: C