Which of the following is an experiment in which results are observed?
A. Head, TailC. Roiling an odd numberB.1,2,3,4,5,6D.Guessing the number of marbles in a jar.
If we take a die as an example, there is a probability of 3/6 or 1/2 for the result to be an odd number. Similarly, in the choices, rolling an odd number is an experiment.