1 group can be created because if you divide 7 by 4 you will get 1.75 which is 1 group and 3/4 of another so it doesn’t count as a group.
Answer:
16/21 or approximately 0.761
Step-by-step explanation:
Add up each marble to get the total number of marbles (21), then add up the sample size (16). From here, divide the sample size by the total number to find the probability. (76.1%)