Patients arrive at the emergency Room of coastal Valley hospital at an average of 5 per day the demand for emergency Room treatment at coastal Valley follows a poisson distribution given that information what is the probability that only one patient arrives at the emergency Room on any random chosen day

The first one, i believe, would be correct. all the others have one thing in common, and that's that they have repeating numbers. in the second one, x and y have repeating 6's and 3's, and in the third, x and y have repeating 6's as well. in the last one, there are repeating 3's. the first one has no repeating numbers.

21

step-by-step explanation:

21-4