Type the correct answer in each box. Use numerals instead of words. If necessary, use / for the fraction bar(s). Lucas has five buttons in a container. Each button is a different shape. There is a star, an oval, a hexagon, a circle, and a heart. He picks
one button, replaces it, and then picks another button.
The sample size for this compound event is
Suppose one square-shaped button is added to the container. If Lucas repeats the same picking process, then the sample size would be
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