Explain experimental probability in your own words

Acar travels at an average speed of 52 miles per hour. how long does it take to travel 299 miles

Determine the number of outcomes in the event. decide whether the event is a simple event or not. upper a computer is used to select randomly a number between 1 and 9 comma inclusive. event upper b is selecting a number greater than 4. event upper b has nothing outcome(s). is the event a simple event? (yes or no) because event upper b has (fewer than, exactly, more than) one outcome.

Sum is 17 and their difference is 3