Exercise 3 9 . 8 . Knitting sweaters. A grandmother is knitting wool sweaters to donate to a non - profit organization. She knits purple
ExerciseKnitting sweaters. A grandmother is knitting wool sweaters to donate to a nonprofit organization. She knits purple and green ones. It takes balls of yarn to knit one. She has promised to donate sweaters but she has forgotten how many of each color to make. So the grandmother decides to roll a sided die to determine how many purple ones to knit. Let X be the number of the die and thus,the number of purple ones and let YX be the number of green ones. What is the covxy
