Two fair number cubes are rolled 100 times. the results are tabulated in the following table
use the experimental probability to determine the number of sevens the roller could expect to get if they rolled the
dice 2.500 times.

Maria has $10,000 to invest in two accounts.he decides to invest one part in an account with 5% interest and the rest in an account with 8% interest. at the end of the year he has earned $702,50 in interest.¿how much did maria invest in the 8% account?