*A study published in the British Medical Journal described how dogs were used in an attempt to identify patients having bladder cancer. A trial involved six different samples of urine from healthy people plus another sample of urine from a person known to have bladder cancer. The trail was repeated 54 times with 22 correct identifications and 32 wrong identification.

Among the 54 trails, there were 22 correct identifications. Test the hypothesis that the dogs did significantly better than what would be expected with random guessing. Does it appear that the dogs were guessing. Does it appear that the dogs were guessing, or do they appear to have some ability to identify the cancer sample?