Discrete vs Continuous

The time it takes you to drive to school.

• Continuous
• Discrete

Tags

CCSS.HSS.ID.A.1

CCSS.HSS.MD.A.1

CCSS.HSS.MD.A.3

The number of books in your locker.

• Continuous
• Discrete

Tags

CCSS.HSS.MD.A.3

The number of babies born at Greenville Memorial Hospital this month.

• Continuous
• Discrete

The time it takes for a light bulb to burn out.

• Continuous
• Discrete

Tags

CCSS.HSS.ID.A.1

CCSS.HSS.ID.A.4

CCSS.HSS.MD.A.1

CCSS.HSS.MD.A.2

CCSS.HSS.MD.A.3

The cost of your lunch at Burger King.

• Continuous
• Discrete

Tags

CCSS.HSS.MD.A.1

CCSS.HSS.MD.A.3

Which of the following is not a random variable?

• The number of heads in ten tosses of a fair coin.
• The number of passengers in cars passing though a toll booth.
• The age of the driver in cars passing through a toll booth.
• The response of randomly-selected people to thequestion, “Did you eat breakfast this morning?”

Tags

CCSS.HSS.MD.A.1

Which of the following is not a random variable?

• The heights of randomly-selected buildings in New York City.

• The suit of a card randomly-selected from a 52-card deck.

• The number of children in randomly-selected households in the United States.

• The amount of money won (or lost) by next person to walk out of a casino in Las Vegas.

Tags

CCSS.HSS.MD.A.1

Which of the following is true about every random variable

• It takes on numerical or categorical values.
• It describes the results of a random phenomenon.
• It’s behavior can be described by a probability distribution.
• (b) and (c) are true, but not (a).

Tags

CCSS.HSS.MD.A.1

CCSS.HSS.MD.A.3

Decide whether the distribution is a probability distribution.

• Yes, it is a discrete probability distribution.
• No, it is not a discrete probability distribution.

Tags

CCSS.HSS.MD.A.1

CCSS.HSS.MD.A.3

In government data, a family consists of two or more persons who live together and are related by blood or marriage. Choose an American family at random and count the number of people it contains. What is the probability that the family you choose has
more than 2 people?

• 0.35
• 0.42
• 0.58
• 1.00

Tags

CCSS.HSS.CP.A.1

CCSS.HSS.CP.B.9

CCSS.HSS.IC.A.1

CCSS.HSS.IC.B.4

CCSS.HSS.MD.A.1

CCSS.HSS.MD.A.3