The probability that a high school student in in the marching band is 0.47. The probability that a student plays a varsity sport
is 0.32. The probability that a student is in the marching band and plays a varsity sport is 0.24. What is the probability that a student plays a varsity sport if we know she is in the marching band?
The average is 13 to get the answer you add all the numbers together then divide by how many numbers you had (ex) 12+18+13+16+6=65 then you divide by how many numbers you have (ex) 65\5=13