There is a pack of four cards numbered 1 to 4. There is also a coin with one side marked as heads and the other tails.
As a trial of an experiment, a card was drawn and the coin was flipped. The number (1 to 4) of the card and the side (H for heads and T for tails of the
coin from the flip were recorded.
Here is a summary of the data from 825 trials.