## Probability distribution of a random variable is also know as Probability_________________?

A. Probability Function
B. Distribution Function
C. Probability Distribution
D. Probability Density Function

## A function probability that a random variable of x has a value less than is called _____________?

A. Random function
B. Distribution function
C. Continuous function
D. probability function

A. E(x) – E(x)
B. E(X) – 0
C. 0
D. E(x) + E(x)

A. E(x + 0)
B. E(x + x)
C. E(x) + E(y)
D. E(y)

## A random variable is ____________ ?

A. Not a function
B. A continuous variable
C. A function
D. None of these

A. Interval
B. Point
C. Time
D. Sample space

## The number of defective bulbs in a lot is example of ____________?

A. Continuous variable
B. Discrete variable
C. Function
D. None of these

A. 1
B. 2
C. 0
D. Constant

## What is the probability that a ball drawn at random from a jar ?

A. 0.1
B. 1
C. 0.5
D. 0
E. Cannot be determined from given information

A. (X – A)2
B. E(x)
C. (x – u)2
D. (x – 4)2

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