Answer 42 fast please

Answer 42 fast please u h 1 m students $.•es The Of to—a 30-40 an from ttE table. However, the rre&l C—IO 10 10-20 frcm folkwing distrbutim. 15 44. Run vakæ 30 e. aM ttæ data: ProM LBS 10 40 han {Mean e 15 {Wd'„an : 35