A DVD rental business determines that customers will rent X number of DVDs according to the following distribution:
Number of DVDs rented X 1 2 3 4 5 Probability P(X) 0.15 0.25 0.3 0.25 0.05
What is the mean number of DVDs that customers rent? Round your answer to one decimal place as necessary. For example, 4.5 would be a legitimate entry.