Lesson-Probability Mass Function of a Discrete Random Variable

Multiple Choice

The probability mass function is given by ___________.

• P(x) = f(X=x)

• f(x) = P(x=X)

• f(x) = P(X=x)

• a function that gives the probability that a random variable is greater than 1

Multiple Choice

What is the graph of a probability mass function called?

• probability mass function plot

• cumulative distribution function plot
• frequency distribution plot
• Histogram

Multiple Choice

• 1/2

• 1/4

• 1/6

• 1/8

Multiple Choice

 How many possible outcomes will appear when you roll a single fair die?

• 1

• 6

• 12

• 36

Multiple Choice

• 1/8

• 3/8

• 1/4

• 1/2

Multiple Choice

• 1/8

• 3/8

• 1/4

• 1/2