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
A: a value variable
B: a continuous random variable
C: a point variable
D: a discrete random variable
举一反三
- A variable that can take on values at any point over a given interval is called _______.
- For a uniformly distributed random variable, the probability of the corresponding interval is related to the length of the interval, and it is also related to the starting point of the interval.
- Name of Internet service provider is A: discrete numerical variable B: continuous numerical variable C: categorical variable
- A description of how the probabilities are distributed over the<br/>values the random variable can assume is called a probability<br/>distribution. ( <br/>)
- 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