A band is going to perform in a city. They sold out a concert with 3,600 seats. A random sample of 120 ticket buyers is surveyed, and 30 buyers made their purchase on the first day tickets were being sold. How many of the 3,600 tickets are likely to have been purchased on the first day they were available?

9.4.34  question   to estimate the height of a stone  figure, an observer holds a small square up to her eyes and walks backward from the figure. she stops when the bottom of the figure aligns with the bottom edge of the  square, and when the top of the figure aligns with the top edge of the square. her eye level is 1.811.81 m from the ground. she is 3.703.70 m from the figure. what is the height of the figure to the nearest hundredth of a  meter?