The Venn diagram shows the result of some people saying whether they like tea and coffee. Find the probability that a person chosen at random likes either tea or coffee but not both. P(like only ...

A Venn diagram captioned: "In a survey of 250 European travelers, 93 have traveled to Africa, 155 have traveled to Asia, and 70 have traveled to both of these continents, as illustrated in the Venn ...