Janice selected a card from a full deck of cards 30 times. She selected a diamond 15 times. The probability of selecting a
diamond is 1/4. Is this theoretical or experimental.

Dean and karlene get paid to write songs. dean is paid a one-time fee of $20 plus $80 per day. karlene is paid a one-time fee of $25 plus $100 per day. write an expression to represent how much a producer will pay to hire both to work the same number of days on a song.