6.DS.A.2: Use the language of probability (e.g., likely, unlikely, certain, impossible) to describe the likelihood of possible outcomes and to anticipate variability in data collected from statistical questions. Explain how the likelihood of outcomes helps predict which responses may be more or less common in the data and justify predictions using probability terms.

Use the language of probability (e.g., likely, unlikely, certain, impossible) to describe the likelihood of possible outcomes and to anticipate variability in data collected from statistical questions. Explain how the likelihood of outcomes helps predict which responses may be more or less common in the data and justify predictions using probability terms.

Example Problems

Angie, Bridget, Carlos, and Diego are seated at random around a square table, one person to a side. What is the

\text{theoretical probability}

that Angie and Carlos are seated opposite each other?

A fair

\text{six-sided}

die is rolled twice. What is the

\text{theoretical probability}

that the first number that comes up is

\text{greater than or equal to}

the second number?

Last night, Jennifer and her family went out for dinner. For the question below, decide whether or not it is a

\text{statistical question}

, and justify your decision.

How much should we leave for the tip?

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