Thirty people are eligible to win cash prizes. the number of each cash award prize is shown in the table. prizes will be given out randomly one at a time. what is the probability of the first person winning the $50 prize?

How do i start to solve? would appreciate a walk-thru! a bird sitting 16ft above the ground in an apple tree dislodges an apple. after how many seconds does the apple land on the ground? (assuming that no branches will interfere with it's fall)