19) mr. burton surveyed his 20 basketball players to find out how much extra time they
practiced basketball each week. the results are as follows: 5% practiced less than 1
hour; 25% practiced 1-2 hours; 35% practiced 3-4 hours; 25% practiced 5-10 hours; and
10% practiced more than 10 hours. how many players practiced an extra 3-4 hours per
week?
|: | show work : ( |: |