QR.P.1

Determine the nature and number of elements in a finite sample space to model the outcomes of real-world events using counting techniques, and build the sample space by making lists, tables, or tree diagrams.

Example Problems
Five fair six‑sided dice are rolled simultaneously.

What is the
probability that exactly two of the dice show a ?
Eight friends sit randomly in a straight row of 8 seats.

What is the
probability that Charlie and Dana sit next to each other (in either order)?
Seven friends take random seats in a straight row of 7 chairs.

What is the
probability that Alice sits in one end seat and Bob sits in the other end seat?
Goblins

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