What is 95% as a fraction in simplest form

Use set buikder notation to represent the following set: {, -2, -1, 0}

Ineed if you could explain and give me the answer you! this needs done

If benito is selecting samples of five values from the table, which row will result in the greatest mean? population data row 1 4 2 2 3 3 row 2 3 3 4 3 2 row 3 2 4 3 4 3 row 4 3 4 4 7 3 row 1 row 2 r