3. (a) the number of components processed in one hour on a new m instances as follows: 74, 68, 79, 75. find the sample average, standard deviation and range of this data. (5 marks) e lifetime of a component (in thousands of hours) is a continuous random variable with density function: 0

40) linda was making chocolate truffles for the first day of school. the recipe for 20 chocolate truffles is: i cup of cream 2 cups of dark chocolate she noticed this will not be enough truffles for the 42 sure that all students in each homeroom next year. to be sure that all students receive a truffle, linda must adjust her recipe. a. complete the recipe for 42 truffles cups of cream - cups of dark chocolate work: