Type the correct in each box. use numerals instead of words. if necessary, use /

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 ______.