69. A statistics instructor believes that fewer than 20 percent of Evergreen Valley College (EVC) students attended the opening midnight showing of the latest Harry Potter movie. She surveys 84 of her students and finds that 11 of them attended the midnight showing. The Type I error is to conclude that the percent of EVC students who attended is a. at least 20 percent, when, in fact, it is less than 20 percent. b. 20 percent, when, in fact, it is 20 percent. c. less than 20 percent, when, in fact, it is at least 20 percent. d. less than 20 percent, when, in fact, it is less than 20 percent.