Sentence 1: For a fixed measurable function formula 18 , Formula 19 is a medium variable with random formula 20 and variance formula 21 .
Sentence 2: For a fixed measurable function formula 18 , Formula 19 is a random variable with the middle formula 20 and the variance formula 21 .
Question: Do Sentence 1 and Sentence 2 express the same meaning? Yes or No?