38 students were asked to report how many siblings they have - DATA: 8 has 0 siblings; 13 had 1 siblings; 12 had 2 siblings; 3 had 3 siblings; 1 had 4 sibling; 0 had 5 siblings; 1 had 6 siblings -- based on the data, estimate the probability that a randomly selected student from the class is an only child