Five balls, numbered 1, 2, 3, 4, and 5, are placed in an urn. Two balls are randomly selected from the five, and their numbers noted. Find the probability distribution for the following: a The largest of the two sampled numbers b The sum of the two sampled numbers

The toll to a bridge is $3.A three-month pass costs $10 and reduces the toll to $0.50.A six-month pass costs $40 and permits crossing the bridge for no additional fee.How many crossings per three-month period does it take for the three- month pass to be the best deal