You and two friends are making a gift basket. you want to keep the costs below $15 per person. write and solve an inequality that represents the total cost of the gift basket

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?