The theoretical probability of rolling heads in a coin toss is 1 half What is cap p times open paren heads comma heads comma heads close paren ?

Each coin toss has a 1/2 chance of landing heads, and the tosses are independent. So the probability of three heads in a row is (1/2) × (1/2) × (1/2) = 1/8. The correct choice is 1 eighth.

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