The stem-and-leaf plot lists the ages of people in a movie theater. how many people in the movie theater are over the age of 30? enter your answer in the box. a stem-and-leaf plot with a stem value of 1 with a leaf value of 6, a stem value of 2 with a leaf value of 5, 6, a stem value of 3 with a leaf value of 8, a stem value of 4 with a leaf value of 0, 0, 0, 4, a stem value of 5, and a stem value of 6 with a leaf value of 7.