Counting the number of red balls in 10 samples of size n = 50 balls from https://github.com/moderndive/moderndive/blob/master/data-raw/sampling_bowl.jpeg
Format
A data frame 10 rows representing different groups of students' samples of size n = 50 and 5 variables
- group
 Group name
- red
 Number of red balls sampled
- white
 Number of white balls sampled
- green
 Number of green balls sampled
- n
 Total number of balls samples