Intro to Discrete Probability Distributions

The number of points scored in a basketball game is

• a discrete random variable.

• a continuous random variable.

• is not a random variable.

Tags

CCSS.HSS.MD.A.1

CCSS.HSS.MD.A.3

CCSS.HSS.MD.A.4

The political party affiliation of adults in the US is

• a discrete random variable.

• a continuous random variable.

• is not a random variable.

The number of textbook authors now sitting at a computer is

• a discrete random variable.

• a continuous random variable.

• not a random variable.

The number of people with blood type A in a random sample of 15 people is

• a discrete random variable.

• a continuous random variable.

• not a random variable.

Tags

CCSS.HSS.MD.A.1

CCSS.HSS.MD.A.3

The weight of a T-bone steak is

• a discrete random variable.

• a continuous random variable.

• not a random variable.

Tags

CCSS.HSS.MD.A.1

The exact time it takes to answer this question is

• a discrete random variable.

• a continuous random variable.

• not a random variable.

Tags

CCSS.HSS.MD.A.1

Which of the following is NOT a requirement of a discrete probability distribution?

• The sum of the values for the random variable x must add up to 1.

• There is a discrete numerical (not categorical) random variable x, and its number values are associated with corresponding probabilities.

• The sum of the probabilities must all add up to 1.

• Every individual probability must have a value between 0 and 1 inclusively.

Discrete values are countable.

• True

• False

Continuous values are measured.

• True

• False

Tags

CCSS.HSF.IF.B.4

CCSS.HSN.Q.A.1

The following table represents a discrete Probability distribution.

• True

• False