bar.) 4. Joseph found a cell phone and wants to return it to its owner. The phone requires a 4-digit code to gain access to the contact list. What is the probability that Joseph will be able to unlock the phone on his first attempt? (Assume that the numbers cannot be used more than one time.) o Does the order the numbers are entered matter? o Will all of the digits (0, 1, 2, 3, 4, 5, 6, 7, 8, 9) be used? We should use o How many different ways can four digits be arranged? . P(Joseph chooses the correct code) = (Enter your answer as a reduced fraction using / for the fraction bar.) Check