Which statements about experimental probability are true? 
 O Experimental probability is written as a ratio. 
 O Experimental probability includes the number of possible outcomes. 
 O Experimental probability is found by conducting trials of an experiment. 
 O Experimental probability includes the number of times an event occurs in the numerator, and the total number of trials in the denominator. 
 O Experimental probability includes the number of times an event occurs in the denominator, and the total number of trials in the numerator.