A: is always 1.
B: is always .5.
C: gives the probability of taking the
correct decision.
D: is not needed in hypothesis testing.
举一反三
- The sum of the values of α and β __ A: is always 1. B: is always .5. C: gives the probability of taking the correct decision. D: is not needed in hypothesis testing.
- The probit model A: is the same as the logit model. B: always gives the same fit for the predicted values as the linear probability model for values between 0.1 and 0.9. C: forces the predicted values to lie between 0 and 1. D: should not be used since it is too complicated.
- The sum of frequencies for all classes will always equal 1. (<br/>)
- 2. Which of the following is the right order of Chomsky’s process of learning a language? A: hypothesis à testing à correcting B: hypothesis à correcting à testing C: testing à hypothesis à correcting D: correcting à testing à hypothesis
- 5. There is always a moment in time when we can make a decision whether or not to ________ our anger. A: vent B: open C: relieve D: relax
内容
- 0
I’ll always remember you were there when you ( ). A: were needed B: are needed C: need it D: needed it
- 1
单项选择1( )My teacher always gives me some advice_______my study. A: in B: to C: at D: about
- 2
( ) should be performed before integration testing. A: Unit testing B: Safety testing C: System testing D: Regression testing
- 3
Which of the following statements is not correct regarding a firm's decision-making? A: The decision to shut down and the decision to exit are both short-run decisions. B: The decision to shut down and the decision to exit are both long-run decisions. C: The decision to shut down is a short-run decision, whereas the decision to exit is a long-run decision. D: The decision to exit is a short-run decision, whereas the decision to shut down is a long-run decision.
- 4
The book value of an old machine is always considered an opportunity cost in a decision.