Pedro has $80 left from the money he earned during the summer at his father's business he spent 1/3 of his earnings of climbing equipment 1/5 and camping gear and 1/4 of the remainder on entertainment

Margie is practicing for an upcoming tennis tournament. her first serve is good 20 out of 30 times on average. margie wants to know the estimated probability that her first serve will be good at least four of the next six times she serves. how could she design a simulation for this scenario?