1. What is the coefficient of x13x22x3 in the expansion of (x1+2x2+3x3)7 ? 2. An investor has $30,000 to invest am
Posted: Thu Jul 14, 2022 4:50 pm
1. What is the coefficient of x13x22x3 in the expansion of (x1+2x2+3x3)7 ? 2. An investor has $30,000 to invest among 5 possible investments. Each investment must be in units of $1,000. If the total $30,000 is to be invested, how many different investment strategies are possible? 3. What is the definition of a probability?