Determine which of the following situations involve(s) calculations of sample means.

I.Survey $15\text{ people}$ and define $X$ as the number of people who eat fast food every day.II.It has been determined that $29\text{ students}$ out of the $35$ in Joe’s calculus class are passing.III.In a survey of $15$ high school females, the average weight was $117\text{ lbs}$.

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