## Applied Statistics and Probability for Engineers, 6th Edition

Here, the first 5 production operations can be completed in $^{5}P_{5}$ ways, and the next 5 production operations can also be completed in $^{5}P_{5}$ ways. Therefore, the total number of possible operation sequences are: $^{5}P_{5} \times ^{5}P_5=120 \times 120=14400$ possible sequences.