Unit Test — Unit test

Question 19 • Math 7 B (M12 25/26 S2)

Which statement illustrates a simulation that could be used to generate samples of people on a game show selecting either door A, door B, or door C?

Answer

Flipping a coin and getting heads for door A or tails for door C.

Rolling a die; 1 or 2 represents door A, 3 or 4 represents door B, and 5 or 6 represents door C.

Creating a spinner divided into 4 equal parts. Label two parts door A, one part door B, and the third part door C.

Go to the game show and collect data for a month on which doors people chose.

Explanation

A simulation should represent all three choices, with each choice equally likely if no other probabilities are specified. A fair six-sided die can do this by assigning two outcomes to each door: 1–2 for A, 3–4 for B, and 5–6 for C. The coin in A cannot represent door B, and the spinner in C gives door A twice the chance of either other door.

AI-written and checked against the verified answer.

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