Answer Practice 1. Two dice are rolled. Determine the odds in favour of rolling 2. a. a sum less than seven. b. a sum of eight or doubles. REVIEW: Previous Unit Tests/ Learning Checkpoints Set Notation Handout Have many different sums of money can be made with a nickel, a dime, three quarters, two loonies and four toonies? 3. How many different five card hands contain exactly three face cards can be formed using a standard deck? 4. Suppose your school has the following numbers of students. If students are randomly selected, determine the probability of each of the following events. Grade Male Female Totals 9 113 128 241 10 109 92 201 a. A male student in grade 10 is chosen 11 85 121 206 b. A female student is chosen given that the student is in grade 12 12 115 98 213 C. One male student and one female student are chosen Totals 422 439 861 d. A female student or a grade 12 student is chosen 5. A survey of households in a major city found that 96% had wifi 65% had televisions 51% had dishwashers 63% had wifi and televisions 49% had wifi and dishwashers 31% had televisions and dishwashers 30% had all three a. Use a Venn Diagram to find the percentages of households that have ONLY wifi, televisions, or dishwashers. 6. At subway, you have a choice of lettuce, onions, tomatoes, green peppers, mushrooms, cheese, olives, cucumbers, and hot peppers. a. How many ways can you "dress" your sub. b. How many ways can you decide on just four toppings?