【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.
A. 0.0.
B. 1.0.
C. 0.50.
D. any value between -0.5 and 0.5.
举一反三
- 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 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
- The function f(x) that defines the probability distribution of a continuous random variable X is a:
- A weighted average of the value of a random variable, where the probability function provides weights is known as
- The probability density function for a uniform distribution ranging between 2 and 6 is A: 4 B: undefined C: any positive value D: 0.25