A new state employee is offered a choice of eight basic health plans, four dental plans, and four vision care plans. How many different health-care plans are there to choose from if one plan is selected from each category?
different plans

Maria's Trattoria offers black olives, anchovies, onions, mushrooms, and pepperoni as toppings for the plain cheese base of its pizzas. How many different pizzas can be made?
pizzas

The probability that a u.s. resident has traveled to canada is 0.18 and to mexico is 0.09. a. if traveling to canada and traveling to mexico are independent events, what is the probability that a randomly-selected person has traveled to both? (page 109 in the book may ) b. it turns out that only 4% of u.s. residents have traveled to both countries. comparing this with your answer to part a, are the events independent? explain why or why not. (page 119 may ) c. using the %’s given, make a venn diagram to display this information. (don’t use your answer to part a.) d. using the conditional probability formula (page 114 in the book) and the %’s given, find the probability that a randomly-selected person has traveled to canada, if we know they have traveled to mexico.