FREE PMF Discrete Random Variables Questions and Answers

Question 1

A random variable can also be referred to as...

Accepted Answer

Stochastic

Answer

Clear

Answer

Open

Answer

Branched

Question 2

A variable whose possible values are numerical outcomes of a random phenomenon is termed...

Accepted Answer

Random variable

Answer

Open variable

Answer

Clear variable

Answer

Closed variable

Question 3

Random variables that can assume only a countable number of values are called...

Accepted Answer

Discrete

Answer

Open

Answer

Closed

Answer

Continuous

Question 4

Random variables that can take on any of the countless number of values in an interval are called...

Accepted Answer

Continuous

Answer

Discrete

Answer

Closed

Answer

Open

Question 5

Variables which cannot take any value at all are...

Accepted Answer

Nonrandom

Answer

Ordinary

Answer

Calling

Answer

Ordinal

Question 6

An example of a continuous variable is...

Accepted Answer

Distance

Answer

Acceleration

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Force

Answer

Power

Question 7

Which of these restricts the measurement of a continuous variable?

Accepted Answer

Accuracy

Answer

Figure

Answer

Place

Answer

Number

Question 8

If a variable can take on any value between two specified values, it is called...

Accepted Answer

Continuous variable

Answer

Discrete variable

Answer

Line variable

Answer

Real

Question 9

A random variable which takes values greater than or equal to zero with probability one is...

Accepted Answer

Nonnegative

Answer

Real

Answer

Trap

Answer

Slope

Question 10

Which is a type of random variables?

Accepted Answer

Continuous

Answer

Linear

Answer

Normal

Answer

Ordinal