a) Calculate: (4!)(6!) 3!(6-3)! b) Monique has ten people in her family, five(5) of which she randomly calls everyday. i) In how many ways can she randomly select these five people to call? ii) If the order of selection is important to Monique, how many arrangements of selecting four people are possible? 2. The following data sample gives the ages (years) and number of breakdowns in one month, of seven machines in a large firm