The probability distribution for the number of defects during an eight hour shift on the assembly line at Wanda's Wooden Widgets is as shown in the chart below. X 0 1 2 3 4 5 P(X = x) 0.50 0.25 0.15 0.06 0.03 0.01 On average, how many defects are found during an 8-hour shift? O 0.1667 O 5.3 O 0.50 O 2.5 O 0.9