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.
D: is discrete.
A: is limited to certain values.
B: may be any value within a certain range.
C: may have a probability greater than 1.00.
D: is discrete.
举一反三
- The function f(x) that defines the probability distribution of a continuous random variable X is a:
- A variable that can take on values at any point over a given interval is called _______. A: a value variable B: a continuous random variable C: a point variable D: a discrete random variable
- 【单选题】The probability that a continuous random variable X will assume any specific value is: A. 0.0. B. 1.0. C. 0.50. D. any value between -0.5 and 0.5.
- Regarding the sample average and the population average, the following is correct ( ) A: Both are random variables B: Both are definite values C: The former is a certain value and the latter is a random variable D: The former is a random variable and the latter is a certain value
- Hydrological analysis and calculation is to predict the probability distribution of the hydrological variable . A: during any period B: during a foreseeable period C: for a very long time in the future D: at a certain moment